| label,2023,2022,2021,concept,level,abstract,units,decimals | |
| Statement of Comprehensive Income [Abstract],,,,us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract,0,True,, | |
| Net income (loss),30425000000,-2722000000,33364000000,us-gaap_NetIncomeLoss,1,False,usd,-6 | |
| Other comprehensive income (loss):,,,,us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract,1,True,, | |
| "Foreign currency translation adjustments, net of tax of $47, $100, and $(55)",1027000000,-2586000000,-819000000,us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax,2,False,usd,-6 | |
| Available-for-sale debt securities:,,,,us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParentAbstract,2,True,, | |
| "Change in net unrealized gains (losses), net of tax of $72, $159, and $(110)",366000000,-823000000,-343000000,us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax,3,False,usd,-6 | |
| "Less: reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $13, $0, and $(15)",-50000000,-298000000,34000000,us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax,3,False,usd,-6 | |
| Net change,416000000,-525000000,-377000000,us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax,3,False,usd,-6 | |
| "Other, net of tax of $0, $0, and $(1)",4000000,0,0,us-gaap_OtherComprehensiveIncomeOtherNetOfTax,3,False,usd,-6 | |
| Other comprehensive income (loss),1447000000,-3111000000,-1196000000,us-gaap_OtherComprehensiveIncomeLossNetOfTax,2,False,usd,-6 | |
| Comprehensive income (loss),31872000000,-5833000000,32168000000,us-gaap_ComprehensiveIncomeNetOfTax,1,False,usd,-6 | |