Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 19,243	$ 17,599
Other comprehensive income (loss) before reclassifications	11	7
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	(17)	(20)
Ending balance	20,793	18,248
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(636)	(606)
Other comprehensive income (loss) before reclassifications	14	(27)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	0	0
Ending balance	(622)	(633)
Unrealized gain (loss) on available-for- sale securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		3
Other comprehensive income (loss) before reclassifications		7
Amounts reclassified from accumulated other comprehensive income (loss) into earnings		(2)
Ending balance		8
Unrealized gain (loss) on forward contracts
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	11	25
Other comprehensive income (loss) before reclassifications	(3)	27
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	(17)	(18)
Ending balance	(9)	34
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(625)	(578)
Ending balance	$ (631)	$ (591)