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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

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- 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