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v3.21.1

Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Other Commitments [Line Items] |  |
Unused credit available to accountholders | $ 3,300 | $ 3,000
Allowance for negative customer balances | 250 | 270
Accrued Expenses and Other Current Liabilities |  |
Other Commitments [Line Items] |  |
Allowance for transaction losses | $ 118 | $ 144

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- Definition Allowance For Negative Customer Balances + References No definition available. + Details
Name: | pypl_AllowanceForNegativeCustomerBalances
Namespace Prefix: | pypl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Allowance For Transaction Losses + References No definition available. + Details
Name: | pypl_AllowanceForTransactionLosses
Namespace Prefix: | pypl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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 No definition available. + Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Unused amount of commitments to extend credit to customers. + References No definition available. + Details
Name: | us-gaap_UnusedCommitmentsToExtendCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_BalanceSheetLocationAxis=pypl_AccruedExpensesAndOtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |