Supplemental Cash Flow Information [Abstract] Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Interest paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities Income Taxes Paid, Net [Abstract] Income Taxes Paid, Net [Abstract] Income taxes, net of refunds Income Taxes Paid, Net Other Significant Noncash Transactions [Table] Other Significant Noncash Transactions [Table] Other Significant Noncash Transaction [Axis] Other Significant Noncash Transaction [Axis] Other Significant Noncash Transaction, Name [Domain] Other Significant Noncash Transaction, Name [Domain] Other Significant Noncash Transactions [Line Items] Other Significant Noncash Transactions [Line Items] Non-cash financing activities Non-cash financing spin-offs Non-cash financing activities related to spin-offs Non-cash investing activities Real Estate Owned, Transfer from Real Estate Owned Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Interest Rate Swaps by Maturity Date [Axis] Interest Rate Swaps by Maturity Date [Axis] Interest Rate Swaps by Maturity Date [Axis] Interest Rate Swaps by Maturity Date [Domain] Interest Rate Swaps by Maturity Date [Domain] [Domain] for Interest Rate Swaps by Maturity Date [Axis] Interest Rate Swaps Maturing 2022 [Member] Interest Rate Swaps Maturing 2022 [Member] Interest Rate Swaps Maturing 2022 [Member] Interest Rate Swaps Maturing 2023 [Member] Interest Rate Swaps Maturing 2023 [Member] Interest Rate Swaps Maturing 2023 [Member] Interest Rate Swap by Notional [Axis] Interest Rate Swap by Notional [Axis] Interest Rate Swap by Notional [Axis] Interest Rate Swap by Notional [Domain] Interest Rate Swap by Notional [Domain] [Domain] for Interest Rate Swap by Notional [Axis] $1.6 billion notional [member] $1.6 billion notional [Member] $1.6 billion notional [Member] $750 million notional [member] $750 million notional [Member] $750 million notional [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as hedging instrument Designated as Hedging Instrument [Member] Not designated as hedging instrument Not Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest rate swaps Interest Rate Swap [Member] Forward contracts Foreign Exchange Forward [Member] Derivative [Line Items] Derivative [Line Items] Number of interest rate derivatives entered into Number of Interest Rate Derivatives Entered Into Number of Interest Rate Derivatives Entered Into Number of interest rate derivatives held Number of Interest Rate Derivatives Held Derivative, notional amount Derivative, Notional Amount Derivative, maturity date Derivative, Maturity Date Derivative, term Derivative, Description of Terms Derivative, remaining maturity Derivative, Remaining Maturity Proceeds received for settlement of interest rate swap Proceeds received for settlement of interest rate swap Proceeds received for settlement of interest rate swap Derivative, swaption interest rate Derivative, Swaption Interest Rate Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest expense Interest Expense [Member] Franchise fees Franchise [Member] Other non-operating income, net Other Nonoperating Income (Expense) [Member] Gain (loss) on foreign currency transactions Foreign Currency Gain (Loss) [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivative instruments, gain (loss) recognized in OCI Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Derivative instruments, gain (loss) reclassified from accumulated OCI into income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative instruments, gain (loss) recognized in income, ineffective portion and amount excluded from effectiveness testing, net Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Derivative instruments, gain (loss) reclassified from accumulated OCI into income Derivative instruments, gain (loss) reclassified from accumulated OCI into income, effective portion Derivative instruments, gain (loss) reclassified from accumulated OCI into income, effective portion Derivative instruments, gain on interest rate swaps not designated as hedging instruments Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Derivative instruments, loss reclassified from accumulated OCI into income from discontinued cash flow hedges Gain (Loss) Reclassified to Earnings, Net from Discontinued Cash Flow Hedges Amount of gain (loss) reclassified to earnings from accumulated other comprehensive income (loss) as a result of the discontinuance of cash flow hedges. Derivative instruments, gain (loss) recognized on foreign exchange forward contracts not designated as hedging instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Consolidated Variable Interest Entities Disclosure [Abstract] Consolidated Variable Interest Entities Disclosure [Abstract] Consolidated Variable Interest Entities Consolidated Variable Interest Entities Disclosure [Text Block] The entire disclosure of consolidated variable interest entities (VIEs), including, but not limited to the nature, purpose, size and activities of the VIE, the carrying amount and classification of consolidated assets that are collateral for the VIE's obligations, lack of recourse if creditors (or beneficial interest holders) of a consolidated VIE have no recourse to the general credit of the primary beneficiary. Accounting Policies [Abstract] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Other Liabilities Disclosure [Abstract] Insurance claims, satisfied average term Insurance Claims, Satisfied Average Term The expected average of time to satisfy outstanding obligations related to self-insurance and re-insurance claims. Schedule Of Additional Information On Restricted Stock Units [Table] Schedule Of Additional Information On Restricted Stock Units [Table] Schedule Of Additional Information On Restricted Stock Units [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted stock units (RSUs) [member] Restricted Stock Units (RSUs) [Member] Schedule Of Additional Information On Restricted Stock Units [Line Items] Schedule Of Additional Information On Restricted Stock Units [Line Items] [Line Items] for Schedule Of Additional Information On Restricted Stock Units [Table] Number of shares granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Weighted average grant date fair value per share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Aggregate intrinsic value of shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Commitments and Contingencies [Axis] Commitments and Contingencies [Axis] Commitments and Contingencies [Axis] Commitments and Contingencies [Domain] Commitments and Contingencies [Domain] [Domain] for Commitments and Contingencies [Axis] Performance guarantees Performance Guarantee [Member] Commitments to fund loan Commitments to Extend Credit [Member] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Number of contracts with performance guarantees Number of Contracts With Performance Guarantees The number of management contracts containing performance guarantees. Performance guarantees, range of expirations Guarantor Obligations, Term Performance guarantees, possible cash outlays Guarantor Obligations, Maximum Exposure, Undiscounted Liabilities Liabilities Number of hotels with performance guarantees with recorded liabilities Number of contracts with performance guarantees with recorded liabilities Number of contracts with performance guarantees with recorded liabilities Commitment to fund loan Other Commitment Commitment to fund loan, 2019 Other Commitment, Due in Next Twelve Months Commitment to fund loan, 2020 Other Commitment, Due in Second Year Marketing, sales and brand program commitments Supply Commitment, Remaining Minimum Amount Committed Debt Disclosure [Abstract] Additional Long Term Debt Disclosures [Table] Restrictions on Cash and Cash Equivalents [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Line of credit [member] Credit Facility [Domain] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Other stockholder [member] Other stockholder [Member] Other stockholder [member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior notes due 2024 [member] Senior notes due 2024 [Member] Senior notes due 2024 [Member] Senior notes due 2025 [member] Senior notes due 2025 [Member] Senior notes due 2025 Senior notes due 2026 [member] Senior notes due 2026 [Member] Senior notes due 2026 [Member] Senior notes due 2027 [member] Senior notes due 2027 [Member] Senior notes due 2027 Senior secured term loan facility due 2023 [member] Senior secured term loan facility due 2023 [Member] Senior secured term loan facility due 2023 [Member] Senior notes due 2021 [member] Senior notes due 2021 [Member] Senior notes due 2021 [Member] Senior secured revolving credit facility [Member] Senior secured revolving credit facility [Member] Senior secured revolving credit facility [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Senior notes Proceeds from Issuance of Long-term Debt Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Debt issuance costs, gross Debt Issuance Costs, Gross Repurchases of common stock, shares Treasury Stock, Shares, Acquired Repurchases of common stock, purchase price Treasury Stock, Value, Acquired, Cost Method Repayments of long-term debt Repayments of Long-term Debt Premium paid to redeem debt instrument Premium paid to redeem debt instrument Premium paid to redeem debt instrument Write off of deferred debt issuance cost Write off of Deferred Debt Issuance Cost Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Proceeds from revolving credit facility Proceeds from Lines of Credit Unamortized deferred financing costs and discount Debt Instrument, Unamortized Discount Debt instrument, decrease in basis spread on variable rate Debt Instrument, Interest Rate, Increase (Decrease) Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Line of credit facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Quarterly Financial Information Disclosure (unaudited) [Abstract] Quarterly Financial Information Disclosure (unaudited) [Abstract] Quarterly Financial Information Quarterly Financial Information [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting standards update 2018-02 Accounting standards update 2018-02 [Member] Accounting standards update 2018-02 [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Currency translation adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Pension liability adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Cash flow hedge adjustment Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Beginning balance Accumulated Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive loss Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Spin-offs of Park and HGV Stockholders' Equity Note, Spinoff Transaction Cumulative effect of the adoption of ASU New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Ending balance Other long-term liabilities Other Noncurrent Liabilities [Table Text Block] Condensed Consolidating Guarantor Financial Information [Abstract] Condensed Consolidating Guarantor Financial Information [Abstract] Condensed Consolidating Guarantor Financial Information Condensed Financial Statements [Text Block] Payables and Accruals [Abstract] Accounts payable, accrued expenses and other Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Statement of Financial Position [Abstract] Allowance for doubtful accounts receivable Allowance for Doubtful Accounts Receivable, Current Variable interest entities - current assets Variable Interest Entity Consolidated Carrying Amount Assets, Current The carrying amount of the consolidated Variable Interest Entity's current assets included in the reporting entity's statement of financial position. Variable interest entities - non-current assets Variable Interest Entity Consolidated Carrying Amount Assets, Non-current The carrying amount of the consolidated Variable Interest Entity's non-current assets included in the reporting entity's statement of financial position. Variable interest entities - current liabilities Variable Interest Entity Consolidated Carrying Amount Liabilities, Current The carrying amount of the consolidated Variable Interest Entity's current liabilities included in the reporting entity's statement of financial position. Variable interest entities - total liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Preferred stock, par value (per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized shares Preferred Stock, Shares Authorized Preferred stock, issued shares Preferred Stock, Shares Issued Preferred stock, outstanding shares Preferred Stock, Shares Outstanding Common stock, par value (per share) Common Stock, Par or Stated Value Per Share Common stock, authorized shares Common Stock, Shares Authorized Common stock, issued shares Common Stock, Shares, Issued Common stock, outstanding shares Common Stock, Shares, Outstanding Treasury stock, at cost Treasury Stock, Shares Retirement Benefits [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Domestic plan [member] Domestic Plan [Member] U.K. plan [member] U.K. Plan [Member] Location of employer sponsoring plan, designed to provide retirement benefits, not determined as principal place of business. Includes, but is not limited to, defined benefit and defined contribution plans. UK and international plans [member] UK and foreign plan [Member] UK and foreign plan [member] International plans [member] Foreign Plan [Member] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Debt securities [member] Debt Securities [Member] Debt and equity securities [Member] Debt and equity securities [Member] Debt and equity securities [Member] Bond funds [member] Bonds [Member] Equity Securities [Member] Equity Securities [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined benefit plan, target allocation percentage Defined Benefit Plan, Plan Assets, Investment Policy and Strategy, Description Expected employer contribution in next year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year, Description Multiemployer plans, plan assets Multiemployer Plans, Plan Assets Multiemployer plans, accumulated benefit obligation Multiemployer Plans, Accumulated Benefit Obligation Defined benefit plan, benefit obligation Defined Benefit Plan, Benefit Obligation Defined contribution plan, cost Defined Contribution Plan, Cost Revenues Revenue from Contract with Customer, Excluding Assessed Tax Operating income Operating Income (Loss) Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income attributable to Hilton stockholders Net Income (Loss) Attributable to Parent Net income per share, basic Earnings Per Share, Basic Net income per share, diluted Earnings Per Share, Diluted Property, Plant and Equipment [Abstract] Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] 2017 awards [member] 2017 awards [Member] 2017 awards [Member] 2018 awards [member] 2018 awards [Member] 2018 awards [Member] EBITDA CAGR [member] EBITDA CAGR [Member] Shares or units awarded to employees based on the Company's EBITDA compound annual growth rate. Free cash flow CAGR [member] Free cash flow CAGR [Member] Free cash flow per share CAGR [member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Performance Shares achievement percentage Performance Shares achievement percentage Performance Shares achievement percentage used for calculating compensation cost for the awards. Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Number of shares granted Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Weighted average grant date fair value, outstanding beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant date fair value, vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, forfeited or canceled Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average grant date fair value, outstanding ending balance Income Tax Disclosure [Abstract] Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at beginning of year Unrecognized Tax Benefits Additions for tax positions related to prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Additions for tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Reductions for tax positions related to prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Currency translation adjustment Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation Balance at end of year Earnings Per Share [Abstract] Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accounts payable, accrued expenses and other Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Pension obligations Liability, Defined Benefit Pension Plan, Noncurrent Other long-term tax liabilities Accrued Income Taxes, Noncurrent Deferred employee compensation and benefits Deferred Compensation Liability, Classified, Noncurrent Insurance reserves Self Insurance Reserve, Noncurrent Other Other Sundry Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Segment Reporting [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating segments [member] Operating Segments [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Management and franchise [member] Management and Franchise [Member] Management and Franchise [Member] Ownership [member] Ownership [Member] Ownership Segment [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Amortization of contract acquisition costs Amortization of Acquisition Costs Other revenues, less other expenses Other revenues, less other expenses The net result for the period of deducting other expenses from other revenues. General and administrative General and Administrative Expense Gain on sales of assets, net Gain (Loss) on Disposition of Assets Interest expense Interest Expense Gain (loss) on foreign currency transactions Foreign Currency Transaction Gain (Loss), before Tax Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Other non-operating income, net Other Nonoperating Income (Expense) Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net other expenses from managed and franchised properties Net reimbursement revenue and expense Reimbursement revenues less reimbursable expenses Depreciation and amortization Depreciation, Depletion and Amortization Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at fair value measurement [member] Portion at Fair Value Measurement [Member] Carrying value [member] Reported Value Measurement [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 [member] Fair Value, Inputs, Level 1 [Member] Level 2 [member] Fair Value, Inputs, Level 2 [Member] Level 3 [member] Fair Value, Inputs, Level 3 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cash equivalents Cash Equivalents, at Carrying Value Cash equivalents Cash Equivalents Cash Equivalents Restricted cash equivalents Restricted Cash Equivalents, Current Long-term debt Long-term Debt Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Earnings Effect of Derivative Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Property and Equipment, Net by Country [Table] Schedule of Property and Equipment, Net by Country [Table] Schedule of Property and Equipment, Net by Country [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Japan JAPAN United Kingdom UNITED KINGDOM Germany GERMANY All other Total of All Other Countries [Member] Total of all other countries not seperately presented. Schedule of Property and Equipment, Net by Country [Line Items] Schedule of Property and Equipment, Net by Country [Line Items] [Line Items] for Schedule of Property and Equipment, Net by Country [Table] Property and equipment, net Property, Plant and Equipment, Net Goodwill and Intangible Assets Disclosure [Abstract] Amortization of Amortizing Intangible Assets [Table] Amortization of Amortizing Intangible Assets [Table] Table of amortization of amortizing intangible assets included in depreciation and amortization and recognized as a reduction of franchise fee and base base and other management fee revenues. Depreciation and amortization [member] Depreciation and amortization [Member] Depreciation and amortization Franchise and licensing fee and base and other management fee revenues [member] Franchise fee and base and other management fee revenues [Member] Franchise fee and base and other management fee revenues [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Intangible assets recorded at fair value at the time of the Merger [member] Intangible assets recorded at fair value at the time of the Merger [Member] Intangible assets recorded at fair value at the time of the Merger [Member] Capitalized software [member] Software and Software Development Costs [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Amortization of Intangible Assets Amortization of Intangible Assets Land Land Buildings and leasehold improvements Buildings And Leasehold Improvements Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. Also the amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement. Furniture and equipment Furniture And Equipment Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. Also the amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but not limited to, tools, dies and molds, computer and office equipment. Construction in progress Construction in Progress, Gross Property and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Net capital lease assets included in property and equipment Capital Leases, Balance Sheet, Assets by Major Class, Net Accumulated depreciation of capital lease assets included in property and equipment Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Schedule of Revenue from External Customers by Geographic Areas [Table] Schedule of Revenue from External Customers by Geographic Areas [Table] Schedule of revenue from external customers by country for countries that individually represented more than 10 percent of total revenues and in the aggregate for countries that individually did not represent more than 10 percent of total revenues. Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Revenues Revenues Reconciliation of Revenues from Segments to Consolidated Amounts [Table] Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated [Table] Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Other revenues [member] Hotel, Other [Member] Direct reimbursements from managed and franchised properties [member] Reimbursement revenue, direct [Member] Reimbursement revenue, direct [member] Indirect reimbursements from manged and franchised properties [member] Reimbursement revenue, indirect [Member] Reimbursement revenue, indirect [member] Intersegment eliminations [member] Intersegment Eliminations [Member] Franchise fees in segment revenues [member] Franchise fees in segment revenues [Member] Franchise fees in segment revenues [member] Base and other management fees in segment revenues [member] Base and other management fees in segment revenues [Member] Base and other management fees in segment revenues [member] Incentive management fees in segment revenues [member] Incentive management fees in segment revenues [Member] Incentive management fees in segment revenues [member] Segment Reporting, Revenue Reconciling Items [Line Items] Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated [Table] [Line Items] [Line Items] for Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated [Table] [Table] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Expense (Benefit) Provision (benefit) for income taxes Income Tax Expense (Benefit) Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Assets [member] Assets [Member] Liability [member] Liability [Member] Management contracts [member] Management contracts [Member] Management contracts recorded at merger Management contract acquisition costs [member] Management contract acquisition costs [Member] Management contract acquisition costs [Member] Franchise contracts [member] Franchise contracts [Member] Franchise contracts recorded at merger Franchise contract acquisition costs [member] Franchise contract acquisition costs [Member] Franchise contract acquisition costs [Member] Leases [member] Lease Agreements [Member] Hilton Honors intangible [member] Hilton Honors Intangible [Member] Hilton Honors Intangible Minimum [member] Minimum [Member] Maximum [member] Maximum [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building and building improvements [member] Building and Building Improvements [Member] Furniture and equipment [member] Furniture and Equipment [Member] Furniture and equipment. Computer equipment [member] Computer Equipment [Member] Stock options [member] Employee Stock Option [Member] Performance shares [member] Performance Shares [Member] Accounting standards update 2014-09 Accounting Standards Update 2014-09 [Member] Accounting standards update 2016-02 Accounting Standards Update 2016-02 [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] [Line Items] for Numerical disclosures within the significant accounting policies footnote disclosure. Ownership percentage of voting shares of a company at or above which VIEs are consolidated Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Useful life, intangibles Finite-Lived Intangible Asset, Useful Life Useful life Property, Plant and Equipment, Useful Life Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expiration period, options Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Vesting rights Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights Vesting rights, percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Estimated effect of adoption of ASU Cumulative Effect of New Accounting Principle in Period of Adoption Reconciliation of Revenue from Segment Amounts to Consolidated Amounts Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Reconciliation of Segment Operating Income to Income from Continuing Operations Before Income Taxes Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Schedule of Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Schedule of Capital Expenditures by Segment Reconciliation of Capital Expenditures for Property and Equipment from Segment to Consolidated [Table Text Block] Tabular disclosure of all significant reconciling items in the reconciliation of total capital expenditures for property and equipment from reportable segments to the entity's consolidated capital expenditures for property and equipment [Table] Revenues by Country Revenue from External Customers by Geographic Areas [Table Text Block] Property and Equipment, Net by Country Long-lived Assets by Geographic Areas [Table Text Block] Discontinued Operations and Disposal Groups [Abstract] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Discontinued operations [Axis] Discontinued operations [Axis] Discontinued operations Discontinued operations [Domain] Discontinued operations [Domain] [Domain] for Discontinued operations Park and HGV spin-offs [member] Park and HGV spin-offs [Member] Park and HGV spin-offs [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Spin-offs [member] Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Depreciation and amortization Depreciation and Amortization, Discontinued Operations Gain on sale of assets, net Disposal group including discontinued operations gain on sales of assets, net Disposal group including discontinued operations gain on sales of assets, net Capital expenditures for property and equipment Capital Expenditure, Discontinued Operations Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Additional Information [Abstract] Additional Information [Abstract] Number of hotels under operating leases Property Subject to or Available for Operating Lease, Number of Units Number of hotels under capital leases Capital Leased Assets, Number of Units Number of hotels under capital leases which were the liabilities of consolidated VIEs and were non-recourse to us Number Of Consolidated Variable Interest Entities Capital Leases The number of capital leases that are liabilities of consolidated variable interest entities as of balance sheet date. Hotel leases starting expiration date Leases Starting Expiration Date The earliest expiration date of leases. Hotel leases ending expiration date Leases Ending Expiration Date The latest expiration date of leases. Date before which the majority of our hotel leases expire Date Majority of Leases Expire The date by which majority of lease terms expire. Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Other Intangible Assets Schedule Of Intangible Assets, Excluding Goodwill [Table Text Block] Tabular disclosure of intangible assets, excluding goodwill, which may be broken down by segment or major class. Amortization of Amortizing Intangible Assets Amortization of Amortizing Intangible Assets [Table Text Block] Tabular disclosure of location of amortization of amortizing intangible assets reported in the statement of operations. Schedule of Future Amortization Expense of Other Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Condensed Balance Sheets Condensed Balance Sheet [Table Text Block] Condensed Statements of Income and Comprehensive Income Condensed Statement of Income and Comprehensive Income [Table Text Block] Tabular disclosure of condensed income statement and comprehensive income , including, but not limited to, income statement and comprehensive income of consolidated entities and consolidation eliminations. Condensed Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] Total revenues from discontinued operations Disposal Group, Including Discontinued Operation, Revenue Owned and leased hotels Disposal Group, Including Discontinued Operation, Direct Cost of Hotels Disposal group including discontinued operations direct costs of hotels Timeshare Disposal Group, Including Discontinued Operation, Timeshare costs Disposal group including discontinued operations timeshare costs Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Other expenses Disposal Group, Including Discontinued Operation, Other Expense Total expenses from discontinued operations Disposal Group, Including Discontinued Operation, Operating Expense Gain on sales of assets, net Operating income from discontinued operations Disposal Group, Including Discontinued Operation, Operating Income (Loss) Non-operating loss, net Disposal group including discontinued operations other non-operating income Disposal group including discontinued operations other non-operating income Income from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Income tax expense Discontinued Operation, Tax Effect of Discontinued Operation Income from discontinued operations, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income from discontinued operations attributable to noncontrolling interests, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest Income from discontinued operations attributable to Hilton stockholders, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Franchise and licensing fees [member] Franchise and licensing fees [Member] Fees earned from franchising and license agreements [Member] Base and other management fees [member] Management Service, Base [Member] Incentive management fees [member] Management Service, Incentive [Member] Owned and leased hotels [member] Hotel, Owned [Member] Total revenues excluding reimbursable revenues [member] Total revenues excluding reimbursable revenues [Member] Total revenues excluding reimbursable revenues Other revenues from managed and franchised properties [member] Reimbursement Revenue [Member] Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants. Other expenses from managed and franchised properties [member] Cost of Reimbursable Expense [Member] Cost associated with reimbursable income. This occurs when a services entity incurs expenses on behalf of the client and passes through the cost of reimbursable expenses to a client. Accounting standards update 2017-07 Accounting Standards Update 2017-07 [Member] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Previously reported [member] Previously Reported [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Accounts receivable, net Accounts Receivable, Net, Current Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Management and franchise contracts, net Finite-Lived Intangible Assets, Net Deferred income tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other non-current assets Other Assets, Noncurrent Total assets Assets Accounts payable, accrued expenses and other Accounts Payable and Accrued Liabilities, Current Current portion of deferred revenues Deferred Revenue, Current Current portion of liability for guest loyalty program Customer Loyalty Program Liability, Current Deferred revenues Deferred Revenue, Noncurrent Deferred income tax liabilities Deferred Tax Liabilities, Net, Noncurrent Other long-term liabilities Total liabilities Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Expenses Cost of Goods and Services Sold Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction General and administrative Other expenses Other Expenses Total expenses excluding reimbursable expenses Costs And Expenses Excluding Cost Of Reimbursable Expense Costs and expenses excluding cost of reimbursable expense. Total expenses Costs and Expenses Income tax benefit (expense) Income (loss) from continuing operations, net of taxes Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Hilton stockholders Net income (loss) from continuing operations per share Income (Loss) from Continuing Operations, Per Basic Share Net income from discontinued operations per share Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Net income per share, basic Net income (loss) from continuing operations per share Income (Loss) from Continuing Operations, Per Diluted Share Net income from discontinued operations per share Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Current Assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash and cash equivalents Restricted Cash and Cash Equivalents, Current Accounts receivable, net of allowance for doubtful accounts Income taxes receivable Income Taxes Receivable, Current Other Total current assets Assets, Current Intangibles and Other Assets: Assets, Noncurrent [Abstract] Goodwill Goodwill Brands Indefinite-lived Intangible Assets (Excluding Goodwill) Other intangible assets, net Other Intangible Assets, Net Property and equipment, net Other Total intangibles and other assets Assets, Noncurrent Total assets Current Liabilities: Liabilities, Current [Abstract] Deferred revenue, current Current maturities of long-term debt Long-term Debt and Capital Lease Obligations, Current Income taxes payable Accrued Income Taxes, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt and Capital Lease Obligations Liability for guest loyalty program Customer Loyalty Program Liability, Noncurrent Other Total liabilities Commitments and contingencies Commitments and Contingencies Equity: Equity [Abstract] Preferred stock Preferred Stock, Value, Outstanding Common stock Common Stock, Value, Outstanding Treasury stock, at cost Treasury Stock, Value Additional paid-in capital Additional Paid in Capital Total Hilton stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Total liabilities and equity Income Statement [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Depreciation and amortization Earnings per share: Basic Earnings Per Share, Basic [Abstract] Earnings per share: Diluted Earnings Per Share, Diluted [Abstract] Cash dividends declared per share Common Stock, Dividends, Per Share, Declared Other Intangible Assets Disclosure [Abstract] Other Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Management and franchise contracts recorded at Merger [member] Management and Franchise Agreements [Member] Management and Franchise Agreements Contract acquisition costs [member] Contract-Based Intangible Assets [Member] Development commissions [member] Capitalized Contract Cost [Domain] Other [member] Other Intangible Assets [Member] Management and franchise contracts, gross Finite-Lived Intangible Assets, Gross Other intangible assets, gross Other Finite-Lived Intangible Assets, Gross Management and franchise contracts, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Other intangible assets, accumulated amortization Total Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reconciliation of Capital Expenditures for Property and Equipment from Segment to Consolidated [Table] Reconciliation of Capital Expenditures for Property and Equipment from Segment to Consolidated [Table] Reconciliation of Capital Expenditures for Property and Equipment from Segment to Consolidated [Table] Corporate and other [member] Corporate, Non-Segment [Member] Segment Reporting, Capital Expenditure Reconciling Item [Line Items] Segment Reporting, Capital Expenditure Reconciling Item [Line Items] Segment Reporting, Capital Expenditure Reconciling Item [Line Items] Capital expenditures for property and equipment Payments to Acquire Property, Plant, and Equipment Capital expenditures for property and equipment of continuing operations Capital expenditures for property and equipment of continuing operations The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. The cash outflow relates to continuing operations. Goodwill Disclosure [Abstract] Goodwill Disclosure. Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill, gross Goodwill, Gross Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Gross goodwill, spin-offs of Park and HGV Goodwill, Disposed of Related to Sale of Business Unit, Gross Gross amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Accumulated impairment losses, spin-offs of Park and HGV Accumulated Impairment Losses, Disposed of Related to Sale of a Business Amount of accumulated impairment losses disposed of related to the sale of a business. Spin-off of Park Goodwill, Written off Related to Sale of Business Unit Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Condensed Income Statement [Table] Condensed Income Statement [Table] Eliminations [Member] Consolidation, Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company [member] Parent Company [Member] HWF Issuers [member] HWF Issuers [Member] Hilton Worldwide Finance Issuers [Member] HOC [member] HOC [Member] Hilton Domestic Operating Company Inc Issuer [Member] Guarantor Subsidiaries [member] Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [member] Non-Guarantor Subsidiaries [Member] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Operating income (loss) Other non-operating income (loss), net Income (loss) before equity in earnings (losses) from subsidiaries Income (Loss) After Taxes Before Income from Subsidiaries Net of Taxes Income (Loss) After Taxes Before Income from Subsidiaries Net of Taxes Equity in earnings (losses) from subsidiaries Income (Loss) from Subsidiaries, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to Hilton stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and basis of presentation [Table] Organization and basis of presentation [Table] Organization and basis of presentation [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] HNA Tourism Group Co., Ltd. [member] HNA Tourism Group Co., Ltd. [Member] The HNA Tourism Group Co., Ltd. and certain of its affiliates [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Organization and basis of presentation [Line Items] Organization and basis of presentation [Line Items] [Line Items] for Organization and basis of presentation [Table] Number of hotel and resort properties Number of hotels and resorts, properties The number of hotel and resort properties as of balance sheet date. Number of hotel and resort rooms Number of hotels and resorts, rooms The number of hotel and resort rooms as of the balance sheet date. Number of countries and territories Number of Countries in which Entity Operates Common stock acquired Common stock acquired The amount of common stock acquired in purchase. Common stock ownership percentage Common Stock Ownership Percentage The Sponsor's percentage of ownership of the entity's common stock as of balance sheet date. Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassification Out of Accumulated Other Comprehensive Loss Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule of Rent Expense [Abstract] Schedule of Rent Expense [Abstract] Fixed rent Operating Leases, Rent Expense, Minimum Rentals Contingent rent Operating Leases, Rent Expense, Contingent Rentals Lease expense for operating leases Operating Leases, Rent Expense, Net Relative shareholder return [member] Relative shareholder return [Member] Shares or units awarded to employees based on the Company's total shareholder return relative to the total shareholder returns of members of a peer company group. Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Restructuring [Axis] Restructuring [Axis] Restructuring [Axis] Restructuring [Domain] Restructuring [Domain] [Domain] for Restructuring [Axis] U.S. DTLs [member] U.S. DTLs [Member] U.S. DTLs [Member] Remeasurement of DTAs/DTLs [member] Remeasurement of DTAs/DTLs [Member] Remeasurement of DTAs/DTLs [Member] TCJ Act [Axis] TCJ Act [Axis] TCJ Act TCJ Act [Domain] TCJ Act [Domain] [Domain] for TCJ Act Restructuring [member] Restructuring [Member] Restructuring [Member] Remeasurement of DTAs/DTLs, uncertain tax position reserves and other tax liabilities [member] Remeasurement of DTAs/DTLs, uncertain tax position reserves and other tax liabilities [Member] Remeasurement of DTAs/DTLs, uncertain tax position reserves and other tax liabilities [Member] Pre-enactment [member] Pre-enactment [Member] Pre-enactment Post-enactment [member] Post-enactment [Member] Post-enactment Remeasurement of U.S. DTAs/DTLs [member] Remeasurement of U.S. DTAs/DTLs [Member] Remeasurement of U.S. DTAs/DTLs Uncertain tax position reserves [member] Uncertain tax position reserves [Member] Uncertain tax position reserves Other tax liabilities [member] Other tax liabilities [Member] Other tax liabilities Recognition of tax benefits [member] Recognition of tax benefits [Member] Recognition of tax benefits Outside basis difference in controlled foreign corporation [member] Outside basis difference in controlled foreign corporation [Member] Outside basis difference in controlled foreign corporation [Member] Cause of Change [Axis] Cause of Change [Axis] Cause of Change Cause of Change [Domain] Cause of Change [Domain] [Domain] for Cause of Change Income Tax Provision (Benefit), Component [Axis] Income Tax Provision (Benefit), Component [Axis] Income Tax Provision (Benefit), Component [Axis] Income Tax Provision (Benefit), Component [Domain] Income Tax Provision (Benefit), Component [Domain] [Domain] for Income Tax Provision (Benefit), Component [Axis] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Deferred other tax expense (benefit) Deferred Other Tax Expense (Benefit) Provisional benefit for transition tax on historic foreign earnings Tax Cuts And Jobs Act Of 2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense Benefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit) Federal statutory income tax rate, percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Provisional benefit related to TCJ Act Tax Cuts And Jobs Act 2017 Incomplete Accounting Provisional Income Tax Expense Benefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Adjustment to complete accounting related to TCJ Act Tax Cuts and Jobs Act of 2017, adjustment to complete accounting, income tax expense benefit Tax Cuts and Jobs Act of 2017, adjustment to complete accounting, income tax expense benefit Income tax expense Net operating loss carryforwards Operating Loss Carryforwards Deferred tax assets, foreign net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Foreign Deferred tax assets, net operating loss carryforwards due to expire Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Net operating loss carryforwards expiration range Operating Loss Carryforwards, Expiration Range Expiration date range for all operating loss carryforwards. Net operating loss carryforwards due to expire in one year Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Within One Year Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration within one year. Deferred tax assets, net operating loss carryforwards not subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Net operating loss carryforwards valuation allowance Operating Loss Carryforwards, Valuation Allowance Deferred tax asset valuation allowance decrease Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Accrual for interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Income tax examination, estimate of possible loss Income Tax Examination, Estimate of Possible Loss Accrual related to IRS proposed additional tax owed Accrual for Taxing Authority Proposed Tax Owed Adjustment The amount accrued for the proposed adjustments sought by the IRS resulting in additional U.S. federal taxes owed. Release of valuation allowance against foreign deferred tax assets Release of valuation allowance against foreign deferred tax assets Release of valuation allowance against foreign deferred tax assets Foreign deferred tax assets, valuation allowance, decrease Foreign deferred tax assets, valuation allowance, decrease Foreign deferred tax assets, valuation allowance, decrease 2019 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Amortizing intangible assets, net Intangible Assets, Net (Excluding Goodwill) Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Schedule of Changes in Projected Benefit Obligations Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Schedule of Amounts Recognized in Balance Sheet Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Amounts Recognized in Other Comprehensive Income (Loss) Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized Over Next Fiscal Year Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] Schedule of Net Periodic Pension Cost (Credit) Schedule of Net Benefit Costs [Table Text Block] Schedule of Weighted Average Assumptions Used Schedule of Assumptions Used [Table Text Block] Schedule of Fair Value of Pension Assets Schedule of Allocation of Plan Assets [Table Text Block] Schedule of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] HGV spin-off [member] HGV spin-off [Member] HGV spin-off [Member] Park spin-off [member] Park spin-off [Member] Park spin-off [Member] Spin-off agreements for continuing involvement [Axis] Spin-off agreements for continuing involvement [Axis] Information related to various agreements covering continuing involvement in connection with spin-offs. Spin-off agreements for continuing involvement [Domain] Spin-off agreements for continuing involvement [Domain] [Domain] for Information related to various agreements covering continuing involvement in connection with spin-offs. Transition Services Agreement [member] Transition Services Agreement [Member] Transition Services Agreement Licensing agreement [member] Licensing Agreements [Member] Other revenue from managed and franchised properties [member] Other revenue from managed and franchised properties [Member] Other revenue from managed and franchised properties [Member] Distribution of spin-off companies stock to stockholders Distribution of spin-off companies stock to stockholders Distribution of spin-off companies stock to stockholders Spin-off company common stock distributed for every five shares of the Company's common stock Spin-off company common stock distributed for every five shares of the Company's common stock Spin-off company common stock distributed for every five shares of the Company's common stock Spin-off company common stock distributed for every ten shares of the Company's common stock Spin-off company common stock distributed for every ten shares of the Company's common stock Spin-off company common stock distributed for every ten shares of the Company's common stock Common stock to receive for spin-off company common stock Common stock to receive for spin-off company common stock Common stock to receive for spin-off company common stock Discontinued Operations, period of involvement after disposal Discontinued Operation, Period of Continuing Involvement after Disposal Royalty fee rate Royalty fee rate Royalty fee rate Revenues from discontinued operations after disposal Discontinued Operation, Intra-Entity Amounts, Discontinued Operation after Disposal, Revenue Leases [Abstract] Leases Leases of Lessee Disclosure [Text Block] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Hilton Worldwide Parent [Member] Hilton Worldwide Parent [Member] Hilton Worldwide Parent [Member] Domestic Subsidiaries [Member] Domestic Subsidiaries [Member] Domestic Subsidiaries [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Equity Method Investment, Ownership Percentage Equity Method Investment, Ownership Percentage Employee Benefit Plans [Abstract] Employee Benefit Plans [Abstract] Cash and cash equivalents [member] Cash and Cash Equivalents [Member] Equity funds [member] Equity Funds [Member] Common collective trusts [member] Common Collective Trust [Member] A fund that is operated by a trust company or a bank and handles a pooled group of trust accounts from various individuals and organizations to create a diversified portfolio. Other Investments [member] Other Investments [Member] Alternative investments [member] Alternative investments [Member] Alternative investments [Member] Fair value measured at net asset value per share [member] Fair Value Measured at Net Asset Value Per Share [Member] Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Capital lease obligations [member] Capital Lease Obligations [Member] Other debt obligations [member] Other Debt Obligations [Member] Long-term debt, gross Long-term Debt, Gross Unamortized deferred financing costs and discount Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Current maturities of long-term debt Debt instrument, weighted average interest rate Debt, Weighted Average Interest Rate Long-term debt Schedule of Debt [Table Text Block] Debt maturities Schedule of Maturities of Long-term Debt [Table Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Shell Company Entity Shell Company Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Statement of Cash Flows [Abstract] Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization of contract acquisition costs Depreciation and amortization from continuing and discontinued operations Depreciation and amortization from continuing and discontinued operations The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. This expense includes continuing operations and discontinued operations. Gain on sales of assets, net, including discontinued operations Gain (Loss) on Disposition of Assets of Continuing and Discontinued Operations Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee from continuing and discontinued operations. Loss (gain) on foreign currency transactions, including discontinued operations Foreign Currency Transaction Gain (Loss), before Tax from Continuing Operations and Discontinued Operations Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized from both continuing operations and discontinued operations. Loss on debt extinguishment Share-based compensation Share-based Compensation Amortization of deferred financing costs and other Amortization of Debt Issuance Costs and Discounts Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Deferred income taxes, including discontinued operations Deferred Income Tax Expense (Benefit) from Continuing and Discontinued Operations Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Contract acquisition costs Payments to Acquire Intangible Assets Accounts receivable, net Increase (Decrease) in Accounts Receivable Prepaid expenses Increase (Decrease) in Prepaid Expense Income taxes receivable Increase (Decrease) in Income Taxes Receivable Other current assets Increase (Decrease) in Other Current Assets Accounts payable, accrued expenses and other Increase (Decrease) in Accounts Payable and Accrued Liabilities Income taxes payable Increase (Decrease) in Income Taxes Payable Change in timeshare financing receivables Increase (Decrease) in Finance Receivables Change in deferred revenues Increase (Decrease) in Deferred Revenue Change in liability for guest loyalty program Increase (Decrease) in Customer Loyalty Program Liability Change in other liabilities Increase (Decrease) in Other Noncurrent Liabilities Other Other Operating Activities, Cash Flow Statement Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures for property and equipment Payments received on other financing receivables Proceeds from Collection of Notes Receivable Capitalized software costs Payments to Acquire Software Other Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings Proceeds from Issuance of Long-term Debt and Capital Securities, Net Repayment of debt Repayments of Debt and Capital Lease Obligations Debt issuance costs and redemption premium Payments of debt issuance costs and redemption premium The cash outflow paid to third parties in connection with debt origination or debt prepayment related to debt issuance costs and redemption premium, respectively. Dividends paid Payments of Dividends Cash transferred in spin-offs of Park and HGV Cash transferred in spin-offs of Park and HGV The cash outflow for cash transferred in spin-offs of Park and HGV. Repurchases of common stock Payments for Repurchase of Common Stock Distributions to noncontrolling interests Payments to Noncontrolling Interests Tax withholdings on share-based compensation Payments Related to Tax Withholding for Share-based Compensation Acquisition of noncontrolling interest Payments to Acquire Additional Interest in Subsidiaries Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash, restricted cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Net increase (decrease) in cash, restricted cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, restricted cash and cash equivalents from continuing operations, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, restricted cash and cash equivalents from discontinued operations, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations Cash, restricted cash and cash equivalents, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash, restricted cash and cash equivalents from continuing operations, end of period Cash, restricted cash and cash equivalents from discontinued operations, end of period Cash, restricted cash and cash equivalents, end of period Net Income (Loss) Available to Common Stockholders, Operations, Basic [Abstract] Net Income (Loss) Available to Common Stockholders, Operations, Basic [Abstract] Net income (loss) from continuing operations attributable to Hilton stockholders Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Weighted average shares outstanding, basic Weighted Average Number of Shares Outstanding, Basic Net Income (Loss) Available to Common Stockholders, Operations, Diluted [Abstract] Net Income (Loss) Available to Common Stockholders, Operations, Diluted [Abstract] Net income (loss) from continuing operations attributable to Hilton stockholders Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Weighted average shares outstanding, diluted Weighted Average Number of Shares Outstanding, Diluted Antidilutive securities excluded from computation of EPS Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Revenue from Contract with Customer [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue Type [Axis] Revenue Type [Axis] Revenue Type Revenue Type [Domain] Revenue Type [Domain] [Domain] for Revenue Type Loyalty Program Revenues [Member] Loyalty Program Revenues [Member] Loyalty Program Revenues [Member] Remaining performance obligation Application, initiation and other fees [Member] Application, initiation and other fees Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Balance of contract liabilities Contract with Customer, Liability Cash received in advance not recognized as revenue Deferred Revenue, Additions Revenue recognized Contract with Customer, Liability, Revenue Recognized Other Reclassification from deferred revenues due to change in estimated transaction price Reclassification from deferred revenues due to change in estimated transaction price Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Expected timing of satisfaction of performance obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Other non-current assets Other Noncurrent Assets [Member] Other liabilities [member] Other Liabilities [Member] Amounts recognized in balance sheet Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position 2019 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2020 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2024-2028 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Defined benefit plan expected future benefit payments Defined Benefit Plan Expected Future Benefit Payments Amount of benefits from a defined benefit plan expected to be paid in the future years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Outstanding, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Outstanding, ending balance Weighted average grant date fair value, forfeited Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Other liabilities Other Liabilities Disclosure [Text Block] Supplemental Disclosures of Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Net actuarial gain (loss) Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Prior service cost (credit) Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax Amortization of net loss Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Amortization of Net Gain (Loss), before Tax Amount before tax, after reclassification adjustments, of amortization of net gain (loss) that has not been recognized in the income statement. Net amount recognized in other comprehensive income (loss) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedules of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercisable, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted average exercise price, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price, granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price, exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, ending balance Weighted average exercise price, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Outstanding, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Outstanding, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Exercisable, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Statutory U.S. federal income tax provision Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount State income taxes, net of U.S. federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Foreign income tax expense Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Effects of the TCJ Act Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Corporate restructuring Effective Income Tax Rate Reconciliation Additional Income Tax Expense From Structuring Transactions Additional income tax expense recognized from structuring transactions. Change in deferred tax asset valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Provision (benefit) for uncertain tax positions Income Tax Reconciliation Uncertain Tax Positions Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to uncertain tax positions. Other, net Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Revenues from Contracts with Customer Revenue from Contract with Customer [Text Block] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of year Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Prior service cost Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax Actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Settlements and curtailments Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Effect of foreign exchange rates Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Benefit obligation at end of year Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value of plan assets at beginning of year Actual return on plan assets, net of expenses Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Effect of foreign exchange rates Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Fair value of plan assets at end of year Funded status at end of year (underfunded) Defined Benefit Plan, Funded (Unfunded) Status of Plan Defined benefit plan, accumulated benefit obligation Defined Benefit Plan, Accumulated Benefit Obligation Business segments Segment Reporting Disclosure [Text Block] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Capital lease obligations Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Deferred income Deferred Tax Assets, Deferred Income Other Deferred Tax Assets, Other Total gross deferred tax assets Deferred Tax Assets, Gross Less: valuation allowance Deferred Tax Assets, Valuation Allowance Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Brands Deferred Tax Liabilities, Brand Intangible Amount of deferred tax liability attributable to taxable temporary differences from intangible brand assets. Amortizing intangible assets Deferred Tax Liabilities, Intangible Assets Investment in foreign subsidiaries Deferred Tax Liabilities, Investment In Foreign Subsidiaries Amount of deferred tax liability attributable to deductible temporary differences from the entity's investment in its foreign wholly-owned subsidiaries. Deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred taxes Deferred Tax Liabilities, Net Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Earnings Per Share Earnings Per Share [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Pension liability adjustment Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Cash flow hedge adjustment Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive income Comprehensive income attributable to Hilton stockholders Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Other current assets Other Current Assets [Member] Accounts payable, accrued expenses and other Accounts Payable and Accrued Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative liability Derivative Liability Derivative asset Derivative Asset Schedule of Additional Information on Stock Options [Table] Schedule of Additional Information on Stock Options [Table] Schedule of Additional Information on Stock Options [Table] Schedule of Additional Information on Stock Options [Line Items] Schedule of Additional Information on Stock Options [Line Items] [Line Items] for Schedule of Additional Information on Stock Options [Table] Number of options granted Weighted average exercise price per share Weighted average grant date fair value per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Unrecognized prior service cost Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Unrecognized net loss Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Unrecognized prior service cost Unrecognized prior service cost (credit) Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. Unrecognized net loss Unrecognized net loss Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. Amount unrecognized Amount unrecognized Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. Amount unrecognized Defined Benefit Plan, Expected Amortization, Next Fiscal Year Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of operating segments Number of Operating Segments Number of managed hotels Number of Managed Hotels Number of managed hotels as of the balance sheet date. Number of franchised hotels Number of Franchised Hotels Number of franchised hotels as of the balance sheet date. Number of managed and franchised hotel rooms Number of Managed and Franchised Rooms The number of rooms in managed and franchised properties as of the balance sheet date. Number of owned and leased hotel properties Number of Owned and Leased Hotel Properties Number of owned and leased hotel properties as of the balance sheet date Number of owned and leased hotel rooms Number of Owned and Leased Hotel Rooms The number of rooms in owned and leased hotels and resorts as of the balance sheet date. Number of wholly owned and leased hotels Number of Wholly Owned and Leased Hotels and Resorts Number of wholly owned and leased hotels and resorts as of the balance sheet date. Number of non wholly owned hotels Number of Non Wholly Owned Hotel Properties The number of hotels owned or leased by consolidated affiliates as of the balance sheet date. Number of hotels of consolidated VIEs Number of Hotels of Consolidated VIEs Number of hotels of consolidated VIEs as of the balance sheet date. Number of hotels owned or leased by unconsolidated affiliates Number of Hotels Owned or Leased by Unconsolidated Affiliates The number of hotels owned or leased by unconsolidated affiliates as of the balance sheet date. Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Salary inflation Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Pension inflation Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Pension Increase Expected rate of pension increases. Discount rate, net periodic pension cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Salary inflation, net periodic pension cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Pension inflation, net periodic pension cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Pension Increase Expected rate of pension increases. Debt Debt Disclosure [Text Block] Fair Value of Financial Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Property and Equipment Property, Plant and Equipment [Table Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Income Taxes Income Tax Disclosure [Text Block] Contract Liabilities Contract with Customer, Asset and Liability [Table Text Block] Schedule of Future Minimum Rental Payments [Abstract] Schedule of Future Minimum Rental Payments [Abstract] Schedule of Future Minimum Rent Payments [Table] Schedule of Future Lease Payments [Table] Schedule of future minimum operating and capital lease payments due in the next five years and thereafter. Lease Arrangement, Type [Axis] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Domain] Lease Arrangement, Type [Domain] Operating leases Operating leases [Member] Operating leases [Member] Capital leases Capital Leases [Member] Capital leases. Schedule of Future Lease Payments [Line Items] Schedule of Future Lease Payments [Line Items] [Line Items] for Schedule of future minimum operating and capital lease payments due in the next five years and thereafter. 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum lease payments Operating Leases, Future Minimum Payments Due 2019 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2020 Capital Leases, Future Minimum Payments Due in Two Years 2021 Capital Leases, Future Minimum Payments Due in Three Years 2022 Capital Leases, Future Minimum Payments Due in Four Years 2023 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total minimum lease payments Capital Leases, Future Minimum Payments Due Less: amount representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of minimum lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Share-based compensation expense Allocated Share-based Compensation Expense Tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Accrued liabilities Deferred Compensation Share-based Arrangements, Liability, Current Unrecognized compensation costs related to unvested awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation costs related to unvested awards, weighted-average period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Shares of common stock reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Incremental share based compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Net cash provided by (used in) operating activities Capital expenditures for property and equipment Issuance of intercompany receivables Payments to Acquire Intercompany Notes Receivable The cash outflow to acquire an intercompany agreement for an unconditional promise by the maker to pay the intercompany entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the intercompany note. The intercompany note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. Payments received on intercompany receivables Proceeds from Collection of Intercompany Notes Receivable The cash inflow associated with principal collections from an intercompany borrowing supported by a written promise to pay an obligation. Other Net cash used in investing activities Repayment of debt Intercompany borrowings Proceeds from Intercompany Short Term Debt The cash inflow from an intercompany borrowing having initial term of repayment within one year or the normal operating cycle, if longer. Repayment of intercompany borrowings Repayments of Intercompany Debt The cash outflow during the period from the repayment of aggregate short-term and long-term intercompany debt. Excludes payment of capital lease obligations. Intercompany transfers Proceeds from (Payments for) Other Financing Activities Intercompany dividends Cash Dividends Paid to Guarantors Cash Dividends Paid to Guarantors Cash transferred in spin-offs of Park and HGV Net cash provided by (used) in financing activities Net increase (decrease) in cash, restricted cash and cash equivalents Cash, restricted cash and cash equivalents from continuing operations Cash, restricted cash and cash equivalents from discontinued operations Cash, restricted cash and cash equivalents Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of accumulated other comprehensive income currency translation adjustment type [Axis] Reclassification out of accumulated other comprehensive income currency translation adjustment type [Axis] Accumulated other comprehensive income currency translation adjustment type [Axis] Reclassification out of accumulated other comprehensive income currency translation adjustment type [Domain] Reclassification out of accumulated other comprehensive income currency translation adjustment type [Domain] [Domain] for Accumulated other comprehensive income currency translation adjustment type [Axis] Sale or liquidation of investment in foreign entity Currency translation adjustment release [Member] Currency translation adjustment release [Member] Gains on net investment hedges Net Investment Hedging [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Sale and liquidation of foreign assets Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Tax benefit (expense) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Amortization of prior service cost Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Amortization of net loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Tax benefit Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Dedesignated interest rate swaps Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Tax benefit Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Amounts reclassified from accumulated other comprehensive loss Accrued employee compensation and benefits Employee-related Liabilities, Current Accounts payable Accounts Payable, Current Insurance reserves, current Self Insurance Reserve, Current Other accrued expenses Other Accrued Liabilities, Current Accounts payable, accrued expenses and other Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Consolidated VIEs [member] Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Capital lease obligations Capital Lease Obligations Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Hotel VIEs [Member] Hotel VIEs [Member] Information relating to the consolidated variable interest entities that own or lease hotel properties Management company [Member] Management Company [Member] Information relating to the consolidated variable interest entity that owns a management company. Number of consolidated variable interest entities Number Of Consolidated Variable Interest Entities The number of consolidated variable interest entities as of balance sheet date. Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Restricted cash and cash equivalents Restricted Cash and Cash Equivalents Intercompany receivables Intercompany Receivables Amount due from intercompany entities, within one year of the balance sheet date (or normal operating cycle, whichever is longer), for goods or services that have been delivered or sold in the normal course of business. Total current assets Investments in consolidated subsidiaries Investments In Consolidated Subsidiaries Investments In Consolidated Subsidiaries Total intangibles and other assets Total assets Intercompany payables Intercompany Payables Amount due to intercompany entities, within one year of the balance sheet date (or normal operating cycle, whichever is longer), for goods or services that have been delivered or sold in the normal course of business. Total current liabilities Total Hilton stockholders' equity 2019 Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months 2020 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two 2021 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three 2022 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 2023 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five Long-term debt, gross Statement of Stockholders' Equity [Abstract] Common stock Common Stock [Member] Treasury stock Treasury Stock [Member] Additional paid-in capital Additional Paid-in Capital [Member] Accumulated deficit Retained Earnings [Member] Noncontrolling interests Noncontrolling Interest [Member] Accounting standards update 2015-02 Accounting Standards Update 2015-02 [Member] Accounting standards update 2016-09 Accounting Standards Update 2016-09 [Member] Beginning balance, shares Beginning balance, equity attributable to Hilton stockholders Beginning balance, equity attributable to noncontrolling interest Beginning balance, equity Net income attributable to noncontrolling interests Other comprehensive income (loss), net of tax, attributable to Hilton stockholders Other comprehensive income (loss), net of tax, attributable to noncontrolling interest Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Other comprehensive income (loss), net of tax Dividends Dividends Repurchases of common stock, shares Repurchases of common stock Share-based compensation, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share-based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Deconsolidation of a variable interest entity Noncontrolling Interest, Decrease from Deconsolidation Cumulative effect of the adoption of ASU Ending balance, shares Ending balance, equity attributable to Hilton stockholders Ending balance, equity attributable to noncontrolling interest Ending balance, equity Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Schedule of Additional Information on Restricted Stock Units Schedule Of Additional Information On Restricted Stock Units [Table Text Block] Tabular disclosure of restricted stock units granted, weighted average grant date fair value per share and fair value of shares vested. Schedule of Restricted Stock Units Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Additional Information on Stock Options Schedule of Additional Information on Stock Options [Table Text Block] Tabular disclosure of stock options granted, weighted average exercise price per share and weighted average grant date fair value per share. Schedule of Stock Options Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Stock Options Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule Performance Shares Achievement Percentages Performance Shares Achievement Percentages [Table Text Block] Tabular disclosure of achievement percentages for performance shares. Schedule of Additional Information on Performance Shares Schedule of Additional Information on Performance Shares [Table Text Block] Tabular disclosure of performance shares granted, weighted average grant date fair value and fair value of shares vested. Schedule of Performance Shares Activity Schedule of Nonvested Performance-based Units Activity [Table Text Block] Currency translation adjustment, tax benefit Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Pension liability adjustment, tax benefit (expense) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Cash flow hedge adjustment, tax benefit (expense) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Reclassifications Reclassifications [Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Discontinued Operations Discontinued Operations, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Contract Assets Contract assets [Policy Text Block] Disclosure of accounting policy for contract assets related to contracts with customers Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Brands Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Intangible Assets, Finite-Lived Intangible Assets, Finite-Lived, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Contract Liabilities Contract liabilities [Policy Text Block] Disclosure of accounting policy for contract liabilities related to contracts with customers Hilton Honors Revenue Recognition, Loyalty Programs [Policy Text Block] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Derivative Instruments Derivatives, Policy [Policy Text Block] Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Insurance Self Insurance Reserve [Policy Text Block] Share-based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Investments in affiliates Affiliated Entity [Member] The Blackstone Group and affiliates The Blackstone Group And Affiliates [Member] The Blackstone Group and its affiliates, the Company's Sponsor Related Party Transaction Related Party Transaction [Line Items] Contract acquisition costs Defined benefit plan net periodic pension cost [Axis] Defined Benefit Plan Net Periodic Pension Cost [Axis] Defined Benefit Plan Net Periodic Pension Cost - to support table of net periodic pension costs [Axis] Defined benefit plan net periodic pension cost [Domain] Defined Benefit Plan Net Periodic Pension Cost [Domain] [Domain] for Defined Benefit Plan Net Periodic Pension Cost - to support table of net periodic pension costs [Axis] Service cost Defined Benefit Plan Service Cost and Administrative Expenses Defined Benefit Plan Service Cost and Administrative Expenses Interest cost Defined Benefit Plan Interest Cost For Net Periodic Pension Cost Defined Benefit Plan Interest Cost For Net Periodic Pension Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of net loss Defined Benefit Plan, Amortization of Gain (Loss) Net periodic pension cost (credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) U.S. income before tax Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign income (loss) before tax Income (Loss) from Continuing Operations before Income Taxes, Foreign Income from continuing operations before income taxes Depreciation expense Depreciation, Nonproduction Schedule of Future Minimum Rent Payments Schedule of Future Minimum Rent Payments [Table Text Block] Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating and capital leases having initial or remaining noncancelable lease terms in excess of one year as of the balance sheet date. Schedule of Rent Expense Schedule of Rent Expense [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block]