Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 17,599	$ 15,037
Other comprehensive income (loss) before reclassifications	27	19
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	(38)	16
Ending balance	18,808	16,950
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(606)	(589)
Other comprehensive income (loss) before reclassifications	(64)	(8)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	0	0
Ending balance	(670)	(597)
Unrealized gain (loss) on available-for- sale securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	3	(5)
Other comprehensive income (loss) before reclassifications	24	0
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	(5)	3
Ending balance	22	(2)
Unrealized gain (loss) on forward contracts
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	25	(28)
Other comprehensive income (loss) before reclassifications	67	27
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	(33)	13
Ending balance	59	12
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(578)	(622)
Ending balance	$ (589)	$ (587)