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Label Element Value
Accounting Standards Update [Extensible List] us-gaap_AccountingStandardsUpdateExtensibleList us-gaap:AccountingStandardsUpdate201602Member
Short-term Investments [Member]  
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 26,000,000
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue 17,000,000
Funds Receivable And Customer Accounts [Member]  
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue 13,257,000,000
Restricted Cash and Cash Equivalents, Current us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue $ 8,871,000,000