FUNDS RECEIVABLE AND CUSTOMER ACCOUNTS AND INVESTMENTS - Estimated Fair Value of Investments Classified as Available for Sale (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	$ 22,535	$ 22,869
Gross Unrealized Gains	1	1
Gross Unrealized Losses	(404)	(592)
Estimated Fair Value	22,132	22,278
Funds receivable and customer accounts \| U.S. government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	9,139	8,736
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(188)	(252)
Estimated Fair Value	8,951	8,484
Funds receivable and customer accounts \| Foreign government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	964	1,479
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(22)	(44)
Estimated Fair Value	942	1,435
Funds receivable and customer accounts \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	1,508	1,637
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(53)	(82)
Estimated Fair Value	1,455	1,555
Funds receivable and customer accounts \| Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	1,287	1,324
Gross Unrealized Gains	1	0
Gross Unrealized Losses	(11)	(26)
Estimated Fair Value	1,277	1,298
Funds receivable and customer accounts \| Municipal securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	661	410
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6)	(3)
Estimated Fair Value	655	407
Funds receivable and customer accounts \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	2,961	3,702
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(7)	(14)
Estimated Fair Value	2,954	3,689
Short-term investments \| U.S. government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	693	815
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4)	(3)
Estimated Fair Value	689	812
Short-term investments \| Foreign government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	646	435
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(12)	(11)
Estimated Fair Value	634	424
Short-term investments \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	993	641
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(22)	(14)
Estimated Fair Value	971	627
Short-term investments \| Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	484	415
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(7)	(9)
Estimated Fair Value	477	406
Short-term investments \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	1,009	324
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2)	0
Estimated Fair Value	1,007	324
Long-Term Investments \| U.S. government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	412	493
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(28)	(36)
Estimated Fair Value	384	457
Long-Term Investments \| Foreign government and agency securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	152	386
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(9)	(22)
Estimated Fair Value	143	364
Long-Term Investments \| Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	499	987
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(23)	(58)
Estimated Fair Value	476	929
Long-Term Investments \| Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Gross Amortized Cost	1,127	1,085
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(10)	(18)
Estimated Fair Value	$ 1,117	$ 1,067

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_BalanceSheetLocationAxis=pypl_FundsReceivableAndCustomerAccountsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MunicipalBondsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=pypl_LongTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: