Quarterly Financial Information Disclosure [Abstract] Schedule of Quarterly Financial Information Schedule of Quarterly Financial Information [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] SPL [Member] Sabine Pass Liquefaction [Member] Sabine Pass Liquefaction [Member] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-term Purchase Commitment, Category of Item Purchased [Domain] Natural Gas Supply, Transportation And Storage Service Agreements [Member] Natural Gas Supply, Transportation And Storage Service Agreements [Member] Natural Gas Supply, Transportation And Storage Service Agreements [Member] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] 2016 Purchase Obligation, Due in Next Twelve Months 2017 Purchase Obligation, Due in Second Year 2018 Purchase Obligation, Due in Third Year 2019 Purchase Obligation, Due in Fourth Year 2020 Purchase Obligation, Due in Fifth Year Thereafter Purchase Obligation, Due after Fifth Year Total Purchase Obligation Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Parent Company [Member] Parent Company [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] CTPL Term Loan [Member] Creole Trail Pipeline Credit Facility [Member] Creole Trail Pipeline Credit Facility [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] Creole Trail Pipeline [Member] Creole Trail Pipeline [Member] Creole Trail Pipeline [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Length of Natural Gas Pipeline Length of Natural Gas Pipeline Length of Natural Gas Pipeline Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Unamortized Discount Debt Instrument, Unamortized Discount Line of Credit Facility, Outstanding Borrowings Long-term Debt, Gross Leases [Abstract] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Domain] Lease Arrangement, Type [Domain] Land Site Leases [Member] Land [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum [Member] Maximum [Member] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Operating Leases, Rent Expense Operating Leases, Rent Expense Initial Term of Lease Lessee Leasing Arrangements, Operating Leases, Term of Contract Renewal Term of Lease Lessee Leasing Arrangements, Operating Leases, Renewal Term 2016, Minimum Payments Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017, Minimum Payments Operating Leases, Future Minimum Payments, Due in Two Years 2018, Minimum Payments Operating Leases, Future Minimum Payments, Due in Three Years 2019, Minimum Payments Operating Leases, Future Minimum Payments, Due in Four Years 2020, Minimum Payments Operating Leases, Future Minimum Payments, Due in Five Years Thereafter, Minimum Payments Operating Leases, Future Minimum Payments, Due Thereafter Total, Minimum Payments Operating Leases, Future Minimum Payments Due Property, Plant and Equipment [Abstract] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Partners' Capital Notes [Abstract] Schedule of Other Ownership Interests [Table] Schedule of Other Ownership Interests [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Blackstone [Member] Blackstone CQP Holdco LP [Member] Blackstone CQP Holdco LP [Member] Cheniere [Member] Cheniere Energy, Inc. [Member] Cheniere Energy, Inc. [Member] Cheniere Holdings [Member] Cheniere Energy Partners LP Holdings, LLC [Member] Cheniere Energy Partners LP Holdings, LLC [Member] Capital Units by Class [Axis] Capital Units by Class [Axis] Capital Unit, Class [Domain] Capital Unit, Class [Domain] Common Units [Member] Common Units [Member] Common Units [Member] General Partner [Member] General Partner [Member] Class B Units [Member] Capital Unit, Class B [Member] Minimum [Member] Minimum [Member] Other Ownership Interests [Line Items] Other Ownership Interests [Line Items] Number of days after quarter end distribution is paid Number Of Days After Quarter End Distribution Is Paid number of days after quarter end distribution is paid Distributions Per Limited Partnership Unit Outstanding, Basic Distributions Per Limited Partnership Unit Outstanding, Basic Distributions entitled by General Partner, Percentage Distributions entitled by General Partner, Percentage Distributions entitled by General Partner, Percentage Incentive Distribution, Quarterly Distribution Additional Target Percentage Incentive Distribution, Quarterly Distribution Additional Target Percentage Incentive Distribution, Quarterly Distribution Additional Target Percentage Proceeds from sale of partnership common and general partner units Proceeds from Sale of Interest in Partnership Unit Additional units purchased, shares Partners' Capital Account, Units, Sale of Units Partnership Units, Conversion Ratio, Quarterly Compounded Rate Partnership Units, Conversion Ratio, Quarterly Compounded Rate Partnership Units, Conversion Ratio, Quarterly Compounded Rate Partnership Units, Accreted Conversion Ratio Partnership Units, Accreted Conversion Ratio Partnership Units, Accreted Conversion Ratio Expected conversion period of Class B units to common units after substantial completion date of Train 3 Expected Conversion Period After Conversion Event Expected Conversion Period After Conversion Event Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Recent Accounting Standards New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] SPLNG [Member] Sabine Pass LNG, LP [Member] Sabine Pass LNG, LP [Member] CTPL [Member] Cheniere Creole Trail Pipeline LP [Member] Cheniere Creole Trail Pipeline LP [Member] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Service Agreements [Member] Service Agreements [Member] Cheniere Partners Services Agreement [Member] Cheniere Partners Services Agreement [Member] Cheniere Partners Services Agreement [Member] Operation and Maintenance Agreement [Member] Operation and Maintenance Agreement [Member] Operation and Service Agreement [Member] Management Services Agreement [Member] Management Services Agreement [Member] Management Services Agreement [Member] Cheniere Investments [Member] Cheniere Energy Investments, LLC [Member] Cheniere Energy Investments, LLC [Member] Cheniere Terminals [Member] Cheniere LNG Terminals, LLC [Member] Cheniere LNG Terminals, LLC [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Advances to Affiliate Current Advances to Affiliate Current Current advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients. General and administrative expense—affiliate Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Operating and maintenance expense—affiliate Costs and Expenses, Related Party Quarterly non-accountable overhead reimbursement charge Related Party Transaction, Quarterly Fee Related Party Transaction, Quarterly Fee Monthly fee as a percentage of capital expenditures incurred in the previous month Proceeds (Payments) Of Capital Expenditures Incurred Proceeds (Payments) Of Capital Expenditures Incurred Related Party Transaction, Committed Monthly Fee Related Party Transaction, Committed Monthly Fee Related Party Transaction, Committed Monthly Fee Related Party Transaction, Bonus Percentage of Salary Entitled Upon Meeting Certain Criteria Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria Related Party Transaction, Bonus Percentage Entitled Upon Meeting Certain Criteria Recent Accounting Standards, Not Yet Adopted New Accounting Pronouncements, Not Yet Adopted [Table Text Block] Tabular disclosure of new accounting guidance that has been not been adopted by the company. Cash and Cash Equivalents [Abstract] Schedule of Restricted Cash [Table] Schedule of Restricted Cash and Cash Equivalents [Table] Restricted Cash [Axis] Restricted Cash and Cash Equivalents [Axis] Restricted Cash [Domain] Cash and Cash Equivalents [Domain] Payment of Liabilities [Member] Payment of Liabilities [Member] Payment of Liabilities [Member] Construction Activities [Member] Construction Activities [Member] Construction Activities [Member] 2013 SPL Credit Facilities [Member] 2013 Sabine Pass Liquefaction Credit Facilities [Member] 2013 Sabine Pass Liquefaction Credit Facilities [Member] 2015 SPL Credit Facilities [Member] 2015 Sabine Pass Liquefaction Credit Facilities [Member] 2015 Sabine Pass Liquefaction Credit Facilities [Member] 2021 SPL Senior Notes [Member] 2021 Sabine Pass Liquefaction Senior Notes [Member] 2021 Sabine Pass Liquefaction Senior Notes [Member] 2022 SPL Senior Notes [Member] 2022 Sabine Pass Liquefaction Senior Notes [Member] 2022 Sabine Pass Liquefaction Senior Notes [Member] 2023 SPL Senior Notes [Member] 2023 Sabine Pass Liquefaction Senior Notes [Member] 2023 Sabine Pass Liquefaction Senior Notes [Member] [Member] 2024 SPL Senior Notes [Member] 2024 Sabine Pass Liquefaction Senior Notes [Member] 2024 Sabine Pass Liquefaction Senior Notes [Member] 2025 SPL Senior Notes [Member] 2025 Sabine Pass Liquefaction Senior Notes [Member] 2025 Sabine Pass Liquefaction Senior Notes [Member] Restricted Cash [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Increase, Net Debt Instrument, Increase (Decrease), Net Current restricted cash Restricted Cash and Cash Equivalents, Current Non-current restricted cash Restricted Cash and Cash Equivalents, Noncurrent Senior Notes Interest Payments [Member] Interest Payments [Member] Interest Payments [Member] Debt Service Reserve Fund [Member] Debt Service Reserve Fund [Member] Debt Service Reserve Fund [Member] SPLNG Senior Notes [Member] Senior Notes [Member] 2016 SPLNG Senior Notes [Member] 2016 Senior Notes [Member] 2016 Senior Notes [Member] 2020 SPLNG Senior Notes [Member] 2020 Senior Notes [Member] 2020 Senior Notes [Member] Debt Instrument, Fixed Charge, Coverage Ratio Debt Instrument, Fixed Charge, Coverage Ratio Debt Instrument, Fixed Charge, Coverage Ratio Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Liquefaction Supply Derivatives [Member] Price Risk Derivative [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Inputs, Assets, Quantitative Information [Line Items] Net Fair Value Asset Derivative Assets (Liabilities), at Fair Value, Net Valuation Techniques Fair Value Measurements, Valuation Techniques Significant Unobservable Input Fair Value Measurements, Significant Assumptions Significant Unobservable Input Range Fair Value Inputs Basis Spread Fair Value Inputs Basis Spread Income Statement [Abstract] Revenues Revenues [Abstract] Revenues Revenue from Third Parties Aggregate revenue from third parties recognized during the period (derived from goods sold, services rendered, or other activities that constitute an entity's earning process. Revenues—affiliate Revenue from Related Parties Total revenues Revenues Operating costs and expenses Operating Expenses [Abstract] Operating and maintenance expense Operating Costs and Expenses Operating and maintenance expense—affiliate Depreciation and amortization expense Depreciation, Depletion and Amortization Development expense Research and Development Expense Development expense—affiliate Research and Development Expense Related Parties The aggregate costs between subsidiaries of a common parent incurred in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or to translate research findings or other knowledge into a plan or design for a new product or process. General and administrative expense General and Administrative Expense General and administrative expense—affiliate Total operating costs and expenses Operating Expenses Income (loss) from operations Operating Income (Loss) Other income (expense) Nonoperating Income (Expense) [Abstract] Interest expense, net of amounts capitalized Interest Expense Loss on early extinguishment of debt Gains (Losses) on Extinguishment of Debt Derivative gain (loss), net Gain (Loss) on Derivative Instruments, Net, Pretax Other income Other Nonoperating Income (Expense) Total other expense Nonoperating Income (Expense) Net loss Net Income (Loss) Attributable to Parent Net loss attributable to the Creole Trail Pipeline Business Net Income (Loss) Attributable to Predecessor Operations Net Income (Loss) Attributable to Predecessor Operations Net loss attributable to partners Net Income (Loss) Allocated To Partners Net Income (Loss) Allocated To Partners Basic and diluted net income (loss) per common unit Earnings Per Share, Basic and Diluted Weighted average number of common units outstanding used for basic and diluted net income (loss) per common unit calculation Weighted Average Number of Shares Outstanding, Basic and Diluted Condensed Balance Sheets Condensed Balance Sheet [Table Text Block] Condensed Statements of Operations and Comprehensive Loss Condensed Income Statement [Table Text Block] Condensed Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Revenues Income (loss) from operations Net loss Basic and diluted net income (loss) per common unit Statement of Partners' Capital [Abstract] Statement [Table] Statement [Table] Subordinated Units [Member] Subordinated Units [Member] subordinated units Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Creole Trail Pipeline Business [Member] Creole Trail Pipeline Business [Member] Creole Trail Pipeline Business [Member] Statement [Line Items] Statement [Line Items] Units, Outstanding, beginning of period Limited Partners' Capital Account, Units Outstanding Partners' equity, beginning of period Partners' Capital General partner units, Outstanding, beginning of period General Partners' Capital Account, Units Outstanding Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Net loss Contributions to Creole Trail Pipeline Business from Cheniere, net Proceeds from Contributions from Parent Acquisition of the Creole Trail Pipeline Business Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Excess of acquired assets over the purchase price Excess Value Of Acquired Assets Over Purchase Price Excess Value Of Acquired Assets Over Purchase Price Issuance of Class B units associated with acquisition of Creole Trail Pipeline Business Partners Capital Account Issuance Of Class B Units For Creole Trail Pipeline Business Partners Capital Account Issuance Of Class B Units For Creole Trail Pipeline Business Sale of common and general partner units, units Sale of common and general partner units Partners' Capital Account, Sale of Units Distributions Partners' Capital Account, Distributions Interest rate cash flow hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Beneficial conversion feature of Class B units Partners' Capital Account, Exchanges and Conversions Issuance of common units as compensation to non-management directors, units Partners' Capital Account, Units, Unit-based Compensation Issuance of common units as compensation to non-management directors Partners' Capital Account, Unit-based Compensation Amortization of beneficial conversion feature of Class B units, Dollars Amortization of beneficial conversion feature of Class B units, Dollars Amortization of beneficial conversion feature of Class B units, Dollars Units, Outstanding, end of period Partners' equity, end of period General partner units, Outstanding, end of period Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Interest Costs Incurred Interest Costs Incurred Interest Costs Capitalized Interest Costs Capitalized Debt Instrument, Unamortized Discount Maximum Borrowing Capacity Inventory Disclosure [Abstract] Inventory Inventory Disclosure [Text Block] Cheniere Marketing [Member] Cheniere Marketing, LLC [Member] Cheniere Marketing, LLC [Member] LNG Terminal Capacity Agreements [Member] LNG Terminal Capacity Agreements [Member] LNG Terminal Capacity Agreements [Member] LNG Sale and Purchase Agreement [Member] LNG Sale and Purchase Agreement [Member] LNG Sale and Purchase Agreement [Member] Regasification Capacity Regasification Capacity Regasification Capacity Related Party Transaction, Committed Annual Fee Related Party Transaction, Committed Annual Fee Related Party Transaction, Committed Annual Fee Related Party Agreement Term Related Party Agreement Term Related Party Agreement Term Terminal Use Agreement Maintenance Expense Including Affiliate Terminal Use Agreement Maintenance Expense Including Affiliate Terminal Use Agreement Maintenance Expense Including Affiliate Proceeds (Payments) of Gross Margin Earned, Percentage Proceeds (Payments) of Gross Margin Earned, Percentage Proceeds (Payments) of Gross Margin Earned, Percentage Incremental LNG Volume, Purchase Price Percentage of Henry Hub Incremental LNG Volume, Purchase Price Percentage Incremental LNG Volume, Purchase Price Percentage Incremental LNG Volume, Purchase Price Per MMBtu Incremental LNG Volume, Purchase Price Per MMBtu Incremental LNG Volume, Purchase Price Per MMBtu Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Leases Leases of Lessee Disclosure [Text Block] Derivative [Table] Derivative [Table] Natural Gas Derivatives Asset [Member] Natural Gas Derivative Asset [Member] Natural Gas Derivative Asset [Member] Liquefaction Supply Derivatives Asset [Member] Price Risk Derivative Asset [Member] Price Risk Derivative Asset [Member] Liquefaction Supply Derivatives Liability [Member] Price Risk Derivative Liability [Member] Price Risk Derivative Liability [Member] Interest Rate Derivatives Asset [Member] Interest Rate Contract Asset [Member] Interest Rate Contract Asset [Member] Interest Rate Derivatives Liability [Member] Interest Rate Contract Liability [Member] Interest Rate Contract Liability [Member] Derivative [Line Items] Derivative [Line Items] Derivative Asset, Gross Amounts Recognized Derivative Asset, Fair Value, Gross Asset Derivative Liability, Gross Amounts Recognized Derivative Liability, Fair Value, Gross Liability Derivative Asset, Gross Amounts Offset in the Consolidated Balance Sheets Derivative Asset, Fair Value, Amount Offset Against Collateral Derivative Liability, Gross Amounts Offset in the Consolidated Balance Sheets Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Assets (Liabilities), at Fair Value, Net Long-term Debt, Fiscal Year Maturity [Abstract] Long-term Debt, Fiscal Year Maturity [Abstract] 2016 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Two 2018 Long-term Debt, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt, Maturities, Repayments of Principal in Year Four 2020 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Debt and Capital Lease Obligations Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] LNG terminal costs [Member] LNG terminal costs [Member] LNG terminal costs [Member] LNG terminal [Member] LNG terminal [Member] LNG terminal [Member] LNG terminal construction-in-process [Member] LNG terminal construction-in-process [Member] LNG terminal construction-in-process [Member] LNG site and related costs, net [Member] LNG site and related costs, net [Member] LNG site and related costs, net [Member] Fixed assets [Member] Fixed assets [Member] Fixed assets [Member] Computer and office equipment [Member] Office Equipment [Member] Furniture and Fixtures [Member] Furniture and Fixtures [Member] Computer software [Member] Software and Software Development Costs [Member] Vehicles [Member] Vehicles [Member] Machinery and equipment [Member] Machinery and Equipment [Member] Other [Member] Other Capitalized Property Plant and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Natural Gas Derivatives [Member] Natural Gas Derivative [Member] Natural Gas Derivative [Member] Interest Rate Derivatives [Member] Interest Rate Contract [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Other Assets, Noncurrent [Abstract] Advances made under EPC and non-EPC contracts Advances Made Under Long-Term Contracts Advances Made Under Long-Term Contracts Advances made to municipalities for water system enhancements Advances Made To Municipalities Advances Made To Municipalities Tax-related payments and receivables Tax-Related Payments And Receivables Tax-Related Payments And Receivables Conveyed assets to non-affiliates Conveyed Assets Conveyed Assets Other Other Assets, Miscellaneous, Noncurrent Total other non-current assets Other Assets, Noncurrent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Nature of Operations [Table] Organization and Nature of Operations [Table] Organization and Nature of Operations [Table] Sabine Pass LNG Terminal [Member] Sabine Pass LNG Terminal [Member] Sabine Pass LNG Terminal [Member] LNG Trains Project Phase [Axis] LNG Trains Project Phase [Axis] LNG Trains Project Phase [Axis] LNG Trains Project Phase [Domain] LNG Trains Project Phase [Domain] LNG Trains Project Phase [Domain] Construction [Member] Construction [Member] Construction [Member] Development [Member] Development [Member] Development [Member] Capital Unit, Class B [Member] Organization and Nature of Operations [Line Items] Organization and Nature of Operations [Line Items] [Line Items] for Organization and Nature of Operations [Table] Number Of LNG Storage Tanks Number Of LNG Storage Tanks Number Of LNG Storage Tanks Storage Capacity Storage Capacity Storage Capacity Number Of Docks Number Of Docks Number Of Docks Volume Of Vessel Volume Of Vessel Volume Of Vessel Number of Liquefaction LNG Trains Number of Liquefaction LNG Trains Number of Liquefaction LNG Trains Train Nominal Capacity Train Nominal Capacity Train Nominal Capacity Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Noncontrolling Interest, Ownership Percentage by Parent Noncontrolling Interest, Ownership Percentage by Parent Partners Capital Account, Units, Units Held Partners Capital Account, Units, Units Held Partners Capital Account, Units, Units Held Earnings Per Share [Abstract] Net Income (Loss) per Common Unit Earnings Per Share [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Non-cash LNG inventory write-downs Inventory Write-down Amortization of debt issuance costs and discount Amortization of Financing Costs and Discounts Loss on early extinguishment of debt Total losses on derivatives, net Unrealized Gain (Loss) on Derivatives Net cash used for settlement of derivative instruments Gain (Loss) on Sale of Derivatives Other Other Noncash Income (Expense) Changes in restricted cash for certain operating activities Increase (Decrease) in Restricted Cash for Operating Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts and interest receivable Increase (Decrease) in Accounts Receivable Accounts receivable—affiliate Increase (Decrease) in Accounts Receivable, Related Parties Advances to affiliate Increase (Decrease) In Advances To Affiliate Increase (Decrease) In Advances To Affiliate Inventory Increase (Decrease) in Inventories Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Due to affiliates Increase (Decrease) in Due to Affiliates Deferred revenue Increase (Decrease) in Deferred Revenue Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net—affiliate Increase (Decrease) In Other Operating Activities-Affiliate Increase (Decrease) In Other Operating Activities-Affiliate Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Property, plant and equipment, net Payments to Acquire Property, Plant, and Equipment Use of restricted cash for the acquisition of property, plant and equipment Increase (Decrease) in Restricted Cash Purchase of Creole Trail Pipeline Business, net Payments to Acquire Businesses, Net of Cash Acquired Other Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuances of debt Proceeds from Issuance of Long-term Debt Repayments of debt Repayments of Long-term Debt Debt issuance and deferred financing costs Payments of Debt Issuance Costs Investment in restricted cash Proceeds from (Repayments of) Restricted Cash, Financing Activities Proceeds from sale of partnership common and general partner units Contributions to Creole Trail Pipeline Business from Cheniere, net Distributions to owners Payments of Capital Distribution Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents—beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents—end of period SPL LC Agreement [Member] SPL LC Agreement [Member] SPL LC Agreement [Member] SPL Working Capital Facility [Member] Working Capital Facility [Member] Working Capital Facility [Member] Letter of Credit [Member] Letter of Credit [Member] Working Capital Facility Loan [Member] Working Capital Facility Loan [Member] Working Capital Facility Loan [Member] Working Capital Loan [Member] Working Capital Loan [Member] Working Capital Loan [Member] Swing Line Loan [Member] Swing Line Loan [Member] Swing Line Loan [Member] LC Loan [Member] LC Loan [Member] LC Loan [Member] Commitment Increase Scenario [Axis] Commitment Increase Scenario [Axis] Commitment Increase Scenario [Axis] Commitment Increase Scenario [Domain] Commitment Increase Scenario [Domain] [Domain] for Commitment Increase Scenario [Axis] Completion of Train Six Financing [Member] Completion of Train Six Financing [Member] Completion of Train Six Financing [Member] Base Rate Determination [Axis] Base Rate Determination [Axis] Basis Rate Determination [Axis] Base Rate Determination [Domain] Base Rate Determination [Domain] [Domain] for Base Rate Determination [Axis] Base Rate Determination Federal Funds Rate [Member] Base Rate Determination Federal Funds Rate [Member] Base Rate Determination Federal Funds Rate [Member] Base Rate Determination LIBOR [Member] Base Rate Determination LIBOR [Member] Base Rate Determination LIBOR [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR [Member] London Interbank Offered Rate (LIBOR) [Member] Base Rate [Member] Base Rate [Member] Letter Of Credit [Axis] Letter Of Credit [Axis] Letter Of Credit [Axis] Letter Of Credit [Domain] Letter Of Credit [Domain] [Domain] for Letter Of Credit [Axis] Undrawn [Member] Portion issued and not drawn [Member] The portion of the letter of credit agreement which has been issued but for which no funds have been drawn. Drawn Portion [Member] Drawn Portion [Member] Drawn Portion [Member] Maximum Borrowing Capacity Line of Credit Facility, Permitted Increase Line of Credit Facility, Permitted Increase Amount SPL may request to increase the Working Capital Facility from time to time. Line of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Letter of Credit, Outstanding Amount Letters of Credit Outstanding, Amount Outstanding Borrowings Letter of Credit, Drawn Amount Long-term Line of Credit Debt Instrument, Description of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Fee Amount Debt Instrument, Fee Amount Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, per annum Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Letter of Credit, Commitment Fee Percentage Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Number of Business Days Notice Required for Repayment of Debt Without Penalty Line of Credit Facility, Number of Business Days Notice Required for Repayment of Debt Without Penalty Number of business days' notice that must be given at any time in order for the outstanding balance of the SPL Working Capital Facility to be repaid, in whole or in part, without premium or penalty. Debt Instrument, Term Debt Instrument, Term Line of Credit Facility, Minimum Period For Termination Date, Number of Business Days Line of Credit Facility, Minimum Period For Termination Date, Number of Business Days Minimum number business days following the first borrowing date of a Swing Line Loan required to trigger the termination of the Swing Line Loan when another Working Capital Loan or Swing Line Loan occurs. Line of Credit Facility, Annual Temporary Requirement Balance, Outstanding Principal Line of Credit Facility, Annual Temporary Requirement Balance, Outstanding Principal Balance SPL is required to reduce the aggregate outstanding principal amount of all Working Capital Loans to for a period of five consecutive business days at least once each year. Line of Credit Facility, Annual Temporary Requirement Period, Number of Consecutive Business Days Line of Credit Facility, Annual Temporary Requirement Period, Number of Consecutive Business Days Number of consecutive business days for which SPL is required to reduce the aggregate outstanding principal amount of all Working Capital Loans to zero at least once each year. Cash paid during the year for interest, net of amounts capitalized and deferred Interest Paid, Net Balance in property, plant and equipment, net funded with accounts payable and accrued liabilities (including affiliate) Construction in Progress Expenditures Incurred but Not yet Paid Non-cash conveyance of assets Contribution Of Property, Non-Affiliate Contribution Of Property, Non-Affiliate Class B units issued in connection with Creole Trail Pipeline Business acquisition Payments to Acquire Interest in Subsidiaries and Affiliates Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Accounting Policies [Abstract] Basis of Presentation and Summary of Significant Accounting Policies [Table] Basis of Presentation and Summary of Significant Accounting Policies [Table] Basis of Presentation and Summary of Significant Accounting Policies [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Basis of Presentation and Summary of Significant Accounting Policies [Line Items] Basis of Presentation and Summary of Significant Accounting Policies [Line Items] [Line Items] for Basis of Presentation and Summary of Significant Accounting Policies [Table] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Reimbursement of costs incurred prior to acquisition closing date Reimbursement of costs incurred prior to acquisition closing date Reimbursement of costs incurred prior to acquisition closing date Sale of Class B units, shares Proceeds from Sale of Interest in Partnership Unit Payments to Acquire Businesses and Interest in Affiliates Payments to Acquire Businesses and Interest in Affiliates Advanced Capacity Reservation Fees Amortization Period Advanced Capacity Reservation Fees Amortization Period Advanced Capacity Reservation Fees Amortization Period Retained Percentage Of LNG Delivered Retained Percentage Of LNG Delivered Retained Percentage Of LNG Delivered Inventory Write-down Impairments related to property, plant and equipment Impairment of Long-Lived Assets Held-for-use Derivative instruments designated as cash flow hedges Cash Flow Hedges Derivative Instruments at Fair Value, Net Number of fixed price contracts Number of fixed price contracts Number of fixed price contracts Sale and Purchase Agreement Term of Agreement Sale and Purchase Agreement Term of Agreement Sale and Purchase Agreement Term of Agreement Sale and Purchase Agreement Number of Unaffiliated Counterparties Sale and Purchase Agreement Number of Unaffiliated Counterparties Sale and Purchase Agreement Number of Unaffiliated Counterparties Property Lease Term Asset Retirement Obligation Asset Retirement Obligation Taxes, Difference in Bases, Amount Entity Not Subject to Income Taxes, Difference in Bases, Amount Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Other Non-Current Assets Other Assets Disclosure [Text Block] Accrued Liabilities [Abstract] Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Summarized Quarterly Financial Data (unaudited) Quarterly Financial Information [Text Block] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Abstract] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Abstract] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Table] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Table] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Table] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Line Items] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Line Items] [Line Items] for Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Table] 2016 Amortization of Beneficial Conversion Feature - Impact to Capital Accounts, Next Twelve Months Amortization of Beneficial Conversion Feature - Impact to Capital Accounts, Next Twelve Months 2017 Amortization of Beneficial Conversion Feature - Impact to Capital Accounts, Year Two Amortization of Beneficial Conversion Feature - Impact to Capital Accounts, Year Two Statement of Financial Position [Abstract] Limited Partners' Capital Account, Units Issued Limited Partners' Capital Account, Units Issued Partnership unitholders units outstanding General Partner Ownership Interest Percentage General Partners' Capital Account, Units Issued General Partners' Capital Account, Units Issued General partner units outstanding Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] 2016 SPLNG Senior Notes, net of discount [Member] 2020 SPLNG Senior Notes [Member] 2021 SPL Senior Notes, net of premium [Member] 2023 SPL Senior Notes, net of premium [Member] CTPL Term Loan, net of discount [Member] 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 Amount [Member] Reported Value Measurement [Member] Estimated Fair Value [Member] Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Carrying Amount, Debt Debt, Long-term and Short-term, Combined Amount Notes Payable, Fair Value Disclosure Notes Payable, Fair Value Disclosure Lines of Credit, Fair Value Disclosure Lines of Credit, Fair Value Disclosure Loans Payable, Fair Value Disclosure Loans Payable, Fair Value Disclosure Cash flows from operating activities Cash flows from investing activities Investments in subsidiaries Payments for (Proceeds from) Businesses and Interest in Affiliates Distributions received from affiliates, net Proceeds from Equity Method Investment, Dividends or Distributions Distributions to owners Net decrease in cash and cash equivalents Notional Amount of Interest Rate Derivatives Derivative, Notional Amount Effective Date Derivative, Inception Date Maturity Date Derivative, Maturity Date Weighted Average Fixed Interest Rate Paid Derivative, Average Fixed Interest Rate Variable Interest Rate Received Derivative, Type of Interest Rate Paid on Swap Schedule of Commitments and Contingencies [Table] Schedule of Commitments and Contingencies [Table] Commitments and Contingencies [Table] SPL Bechtel EPC Contracts [Member] SPL Bechtel EPC Contracts [Member] SPL Bechtel EPC Contracts [Member] EPC Contract Trains One And Two [Member] Bechtel Epc Contract Train One And Two [Member] Bechtel Epc Contract Train One And Two [Member] EPC Contract Trains Three And Four [Member] Bechtel Epc Contract Train Three And Four [Member] Bechtel Epc Contract Train Three And Four [Member] EPC Contract Train Five [Member] Bechtel Epc Contract Train Five [Member] Bechtel Epc Contract Train Five Natural Gas Supply Agreement [Member] Natural Gas Supply Agreement [Member] Natural Gas Supply Agreement [Member] Transportation Agreement [Member] Transportation Agreement [Member] Transportation Agreement [Member] Storage Service Agreement [Member] Storage Service Agreement [Member] Storage Agreement [Member] Supply Commitment [Axis] Supply Commitment [Axis] Supply Commitment Arrangement [Domain] Supply Commitment Arrangement [Domain] SPAs Commitment [Member] Supply Commitment [Member] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] [Line Items] for Schedule of Commitments and Contingencies [Table] Long-term Purchase Commitment, Amount Long-term Purchase Commitment, Amount Contract Termination Convenience Penalty Contract Termination Convenience Penalty Contract Termination Convenience Penalty Contract Volumes, in MMBtu per year Contract Volumes Contract Volumes, in MMBtu per year Long-term Purchase Commitment, Period Long-term Purchase Commitment, Period Energy Units Secured Through Long-Term Purchase Agreements, in MMBtu Energy Units Secured Through Long-Term Purchase Agreements Energy Units Secured Through Long-Term Purchase Agreements Amount of Restricted Net Assets for Consolidated Subsidiaries Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries Loss Contingency, Pending Claims, Number Loss Contingency, Pending Claims, Number Statement of Comprehensive Income [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Loss on settlements of interest rate cash flow hedges retained in other comprehensive income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Change in fair value of interest rate cash flow hedges Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Losses reclassified into earnings as a result of discontinuance of cash flow hedge accounting Loss on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Tug Services [Member] Sabine Pass Tug Services, LLC [Member] Sabine Pass Tug Services, LLC [Member] LNG Lease Agreement [Member] LNG Lease Agreement [Member] LNG Lease Agreement [Member] Cooperative Endeavor Agreements [Member] Cooperative Endeavor Agreements [Member] Cooperative Endeavor Agreements [Member] Contracts for Sale and Purchase of Natural Gas and LNG [Member] Contracts for Sale and Purchase of Natural Gas [Member] Contracts for Sale and Purchase of Natural Gas [Member] Tug Boat Lease Sharing Agreement [Member] Tug Boat Lease Sharing Agreement [Member] Tug Boat Lease Sharing Agreement [Member] LNG Terminal Export Agreement [Member] LNG Terminal Export Agreement [Member] LNG Terminal Export Agreement [Member] Tax Sharing Agreement [Member] Tax Sharing Agreement [Member] Tax Sharing Agreement [Member] Wholly owned subsidiary of Cheniere [Member] Subsidiary of Common Parent [Member] LNG inventory—affiliate LNG inventory related party LNG inventory related party Tax Initiative Agreement Term Tax Initiative Agreement Term Tax Initiative Agreement Term Aggregate commitment under the Agreement Other Commitment Advance ad valorem tax payments Prepaid Taxes Operating and Maintenance Expense—affiliate Related Party Transaction, Purchases from Related Party Income Taxes Paid, Net Income Taxes Paid, Net Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Commodity Derivatives [Member] Commodity Contract [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Fair Value of Derivative Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Fair Value Inputs, Assets, Quantitative Information Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Fair Value of Derivative Instruments by Balance Sheet Location Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Derivative Net Presentation on Consolidated Balance Sheets Offsetting Assets And Liabilities [Table Text Block] Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts [Text Block] Schedule of Anticipated Beneficial Conversion Feature impact to Capital Accounts Schedule of Net Loss per Common Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Non-Current Assets Schedule of Other Assets, Noncurrent [Table Text Block] Unitholders' Equity Partners' Capital Notes Disclosure [Text Block] Non-cash capital contributions Other Significant Noncash Transaction, Value of Consideration Given Long-term Debt, Gross Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Total Long-Term Debt, Net Long-term Debt Debt, Current Debt, Current Total Debt, Net Distributions Made to Limited Partner [Table] Distributions Made to Limited Partner [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Amortization Method [Axis] Amortization Method [Axis] Amortization Method [Axis] Amortization Method [Domain] Amortization Method [Domain] [Domain] for Amortization Method [Axis] Effective Yield Method [Member] Effective Yield Method [Member] Effective Yield Method [Member] Distribution Made to Limited Partner [Line Items] Distribution Made to Limited Partner [Line Items] Distribution Made to Limited Partner, Distributions Declared, Per Unit Distribution Made to Limited Partner, Distributions Declared, Per Unit Discount upon issuance of Class B units representing beneficial conversion feature Debt Instrument, Convertible, Beneficial Conversion Feature Amortization of Beneficial Conversion Feature of Class B Units Amortization of Beneficial Conversion Feature of Class B Units Amortization of Beneficial Conversion Feature of Class B Units Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Interest expense and related debt fees Interest Payable, Current Liquefaction Project costs Accrued LNG liquefaction costs Accrued LNG liquefaction costs LNG terminal costs Accrued LNG terminal costs Accrued LNG terminal costs Other accrued liabilities Other Accrued Liabilities, Current Total accrued liabilities Accrued Liabilities, Current Inventory, Current [Table] Inventory, Current [Table] Inventory [Axis] Inventory [Axis] Inventory [Domain] Inventory [Domain] Natural gas [Member] Natural Gas Inventory [Member] Natural Gas Inventory [Member] LNG [Member] Liquefied Natural Gas Inventory [Member] Liquefied Natural Gas Inventory [Member] Materials and other [Member] Materials And Other Inventory [Member] Materials And Other Inventory [Member] Inventory [Line Items] Inventory [Line Items] Total inventory Inventory, Net Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other current assets [Member] Prepaid Expenses and Other Current Assets [Member] Non-current derivative assets [Member] Noncurrent Derivative Assets [Member] Noncurrent Derivative Assets [Member] Derivative liabilities [Member] Derivative Financial Instruments, Liabilities [Member] Other Noncurrent Liabilities [Member] Other Noncurrent Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Other current assets Derivative Asset, Current Non-current derivative assets Derivative Asset, Noncurrent Total derivative assets Derivative Asset Derivative liabilities Derivative Liability, Current Other non-current liabilities Derivative Liability, Noncurrent Total derivative liabilities Derivative Liability Derivative asset, net Derivative, Fair Value, Net Derivative, Collateral Call (Deposit), Right to Reclaim Cash Derivative, Collateral, Right to Reclaim Cash Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Property Plant and Equipment Estimated Useful Lives Table Property Plant and Equipment Estimated Useful Lives Table [Table Text Block] Property Plant and Equipment Estimated Useful Lives Table [Table Text Block] Debt Long-term Debt [Text Block] Condensed Financial Information of Registrant Condensed Financial Information of Parent Company Only Disclosure [Text Block] Current assets Assets, Current [Abstract] Cash and cash equivalents Restricted cash Accounts and interest receivable Accounts Receivable, Net, Current Accounts receivable—affiliate Accounts Receivable, Related Parties, Current Advances to affiliate Inventory Other current assets Prepaid Expense and Other Assets, Current Other current assets—affiliate Other current assets, related party Other current assets, related party Total current assets Assets, Current Debt issuance costs, net Deferred Finance Costs, Noncurrent, Net Other non-current assets Other non-current assets—affiliate Other noncurrent assets related party Other noncurrent assets related party Total assets Assets Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Current debt, net Due to affiliates Due to Affiliate, Current Deferred revenue Deferred Revenue, Current Deferred revenue—affiliate Deferred Revenue Related Party Current The carrying amount of consideration received or receivable from related parties as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer. Derivative liabilities Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net Long-term Debt, Excluding Current Maturities Non-current deferred revenue Deferred Revenue, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Other non-current liabilities—affiliate Other Non-Current Liabilities, Related Party Other Non-Current Liabilities, Related Party Commitments and contingencies (see Note 13) Commitments and Contingencies Partners’ equity Partners' Capital [Abstract] Common unitholders’ interest (57.1 million units issued and outstanding at December 31, 2015 and 2014) Common Unitholders Equity The amount of the limited partners' common unit ownership interests. Class B unitholders’ interest (145.3 million units issued and outstanding at December 31, 2015 and 2014) Class B Unitholders Equity Class B Unitholders Equity Subordinated unitholders’ interest (135.4 million units issued and outstanding at December 31, 2015 and 2014) Subordinated Unitholders Equity The amount of the limited partners' subordinated unit ownership interests. General partner’s interest (2% interest with 6.9 million units issued and outstanding at December 31, 2015 and 2014) General Partners' Capital Account Total partners’ equity Total liabilities and partners’ equity Liabilities and Equity LNG storage tanks [Member] LNG storage tanks [Member] LNG storage tanks [Member] Natural gas pipeline facilities [Member] Pipelines [Member] Marine berth, electrical, facility and roads [Member] Marine berth, electrical, facility and roads [Member] Marine berth, electrical, facility and roads [Member] Regasification processing equipment (recondensers, vaporization and vents) [Member] Regasification processing equipment (recondensers, vaporization and vents) [Member] Regasification processing equipment (recondensers, vaporization and vents) [Member] Sendout pumps [Member] Sendout pumps [Member] Sendout pumps [Member] Other [Member] Other LNG Terminal Components [Member] Other LNG Terminal Components [Member] Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Contractual Obligation, Fiscal Year Maturity Schedule Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Declared distributions Distribution Made to Limited Partner, Cash Distributions Declared Assumed allocation of undistributed net loss Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Assumed allocation of net loss Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Assumed allocation of net loss adjusted for the Creole Trail Pipeline Business Adjusted Participating Securities Distributed and Undistributed Earnings Adjusted Participating Securities Distributed and Undistributed Earnings Weighted average units outstanding Net loss per unit Net loss per unit, adjusted to include pre-acquisition date net losses of the Creole Trail Pipeline Business Adjusted Earnings Per Share Basic and Diluted Adjusted Earnings Per Share Basic and Diluted Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Interest Rate Derivatives, Gain (Loss) in OCI Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Interest Rate Derivatives, Gain (Loss) Reclassified from AOCI into Interest Expense (Effective Portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Interest Rate Derivatives, Losses Reclassified into Earnings as a Result of Discontinuance of Cash Flow Hedge Accounting Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Subsequent Event [Table] Subsequent Event [Table] Proposed Senior Credit Facility [Member] Proposed Senior Credit Facility [Member] Proposed senior credit facility for which financial institutions have been engaged Subsequent Event [Line Items] Subsequent Event [Line Items] Line of Credit Facility, Number Of Financial Institutions Engaged Credit Facility, Number Of Financial Institutions Engaged Number of financial institutions engaged to assist in the structuring and arranging credit facilities. Operating costs and expenses Operating costs and expenses—affiliates Interest income Interest Income, Other Equity loss of affiliates Income (Loss) from Equity Method Investments Other comprehensive income attributable to affiliates Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Revenues [Member] Sales [Member] Operating and maintenance expense [Member] Operating Expense [Member] Gain (Loss) on Derivative Instruments [Member] Gain (Loss) on Derivative Instruments [Member] Derivative, Gain (Loss) on Derivative, Net Derivative, Gain (Loss) on Derivative, Net Related Party Transactions Related Party Transactions Disclosure [Text Block] Asset Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Asset Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Derivative, Term of Contract Derivative, Term of Contract Energy Units Secured Through Long-Term Purchase Agreements Derivative, Notional Amount Derivative, Nonmonetary Notional Amount Derivative Loss, Net Line of Credit Facility, Decrease, Net Line of Credit Facility, Increase (Decrease), Net Cash and cash equivalents Accounts receivable—affiliates Prepaid expenses and other Investment in affiliates Equity Method Investments Other non-current assets Other Assets Current Liabilities Accrued liabilities—affiliates Other current liabilities Partners’ equity Line of Credit Facility [Table] Line of Credit Facility [Table] 2012 SPL Credit Facility [Member] 2012 Liquefaction Credit Facility [Member] Liquefaction Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Line Of Credit Facility Insurance Premium Percentage Of Drawn Amount Line Of Credit Facility Insurance Premium Percentage Of Drawn Amount Line Of Credit Facility Insurance Premium Percentage Of Drawn Amount Line Of Credit Facility, Unused Capacity, Commitment Fee Percentage Of Margin On Undrawn Commitment Line Of Credit Facility, Unused Capacity, Commitment Fee Percentage Of Margin On Undrawn Commitment Line Of Credit Facility, Unused Capacity, Commitment Fee Percentage Of Margin On Undrawn Commitment Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Amortization Period Line of Credit Facility, Amortization Period Line of Credit Facility, Amortization Period Percentage of Debt Hedged by Interest Rate Derivatives Percentage of Debt Hedged by Interest Rate Derivatives Loss on early extinguishment of debt Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entities [Table] Entities [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] 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 Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Units, Units Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Basis of Presentation, Policy Basis of Accounting, Policy [Policy Text Block] Use of Estimates, Policy Use of Estimates, Policy [Policy Text Block] Fair Value, Policy Fair Value of Financial Instruments, Policy [Policy Text Block] Revenue Recognition, Policy Revenue Recognition, Policy [Policy Text Block] Cash and Cash Equivalents, Policy Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash, Policy Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Inventory, Policy Inventory, Policy [Policy Text Block] Accounting For LNG Activities, Policy Accounting For LNG Activities, Policy [Policy Text Block] Accounting For LNG Activities [Policy Text Block] Property, Plant and Equipment, Policy Property, Plant and Equipment, Policy [Policy Text Block] Regulated Natural Gas Pipelines, Policy Regulatory Depreciation and Amortization, Policy [Policy Text Block] Derivative Instruments, Policy Derivatives, Policy [Policy Text Block] Concentration of Credit Risk, Policy Concentration Risk, Credit Risk, Policy [Policy Text Block] Debt, Policy Debt, Policy [Policy Text Block] Asset Retirement Obligations, Policy Asset Retirement Obligations, Policy [Policy Text Block] Income Taxes, Policy Income Tax, Policy [Policy Text Block] Business Segment, Policy Segment Reporting, Policy [Policy Text Block] Construction And Interest Payments [Member] Construction And Interest Payments [Member] Construction And Interest Payments [Member] Organization and Nature of Operations Nature of Operations [Text Block] Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] SPL Senior Notes [Member] Sabine Pass Liquefaction Senior Notes [Member] This member includes the 2021, 2022, and 2023 Sabine Pass Liquefaction Senior Notes Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption Price, Percentage Percentage of debt principal additional for redemption Percentage of debt principal additional for redemption Percentage of debt principal to be paid in addition to the redemption price of 100% of the principal plus any accrued and unpaid interest, only if greater than the fair value ratio of the notes. Discount rate over Treasury Rate to calculate fair value ratio of redemption price Discount rate over Treasury Rate to calculate fair value ratio of redemption price Discount rate over Treasury Rate to calculate fair value ratio of redemption price, which is paid in addition to the redemption price of 100% of the principal plus any accrued and unpaid interest, if greater than 1.0% of the principal amount of the notes. Partners' Capital Account, Distributions Debt Instrument, Fixed Charge, Coverage Ratio Period Debt Instrument, Fixed Charge, Coverage Ratio Period Debt Instrument, Fixed Charge, Coverage Ratio Period