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Loans and Interest Receivable - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Receivables [Abstract] |  |
Purchased consumer receivables | $ 297 | $ 1,300

X
- Definition Loans Receivable, Gross, Merchant, Purchased + References No definition available. + Details
Name: | pypl_LoansReceivableGrossMerchantPurchased
Namespace Prefix: | pypl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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