Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of year	$ (1,068)	$ (762)	$ (551)
Gains (losses) on foreign currency translation	55	(276)	(169)
Less: Tax provision/(benefit)	(17)	30	42
Net gains (losses) on foreign currency translation	72	(306)	(211)
Other comprehensive income (loss), net of tax	72	(306)	(211)
Balance at end of year	(996)	(1,068)	(762)
Balance at beginning of year	21	(12)	(44)
Gains (losses) deferred	(13)	421	209
Less: Tax provision/(benefit)	(3)	97	24
Net gains (losses) deferred	(10)	324	185
(Gains) losses reclassified to earnings	10	(384)	(166)
Less: Tax (provision)/benefit	3	(93)	(13)
Net (gains) losses reclassified to earnings	7	(291)	(153)
Other comprehensive income (loss), net of tax	(3)	33	32
Balance at end of year	18	21	(12)
Total Accumulated other comprehensive income (loss) at end of year	$ (978)	$ (1,047)	$ (774)