Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Balance	$ 3,362	$ 3,096	$ 3,227	$ 2,890
Total other comprehensive income (loss), net of tax	(2)	215	(11)	291
Balance	3,505	3,449	3,505	3,449
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	3,362	3,096	3,227	2,890
Total other comprehensive income (loss), net of tax	(2)	215	(11)	291
Balance	3,505	3,449	3,505	3,449
Foreign currency translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Balance	(949)	(1,168)	(928)	(1,256)
Gains (losses) before reclassification, before tax	(24)	222	(45)	310
Less: Tax provision/(benefit)	0	0	0	0
Gains (losses) before reclassification, net of tax	(24)	222	(45)	310
Total other comprehensive income (loss), net of tax	(24)	222	(45)	310
Balance	(973)	(946)	(973)	(946)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(949)	(1,168)	(928)	(1,256)
Gains (losses) before reclassification, before tax	(24)	222	(45)	310
Less: Tax provision/(benefit)	0	0	0	0
Gains (losses) before reclassification, net of tax	(24)	222	(45)	310
Total other comprehensive income (loss), net of tax	(24)	222	(45)	310
Balance	(973)	(946)	(973)	(946)
Derivative financial instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Balance	2	12	(10)	24
Gains (losses) before reclassification, before tax	(16)	64	(105)	58
Less: Tax provision/(benefit)	(3)	17	(26)	16
Gains (losses) before reclassification, net of tax	(13)	47	(79)	42
(Gains) losses reclassified to earnings	42	(74)	146	(83)
Less: Tax (provision)/benefit	8	(20)	34	(22)
Net (gains) losses reclassified to earnings	34	(54)	112	(61)
Total other comprehensive income (loss), net of tax	21	(7)	33	(19)
Balance	23	5	23	5
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	2	12	(10)	24
Gains (losses) before reclassification, before tax	(16)	64	(105)	58
Less: Tax provision/(benefit)	(3)	17	(26)	16
Gains (losses) before reclassification, net of tax	(13)	47	(79)	42
(Gains) losses reclassified to earnings	42	(74)	146	(83)
Less: Tax (provision)/benefit	8	(20)	34	(22)
Net (gains) losses reclassified to earnings	34	(54)	112	(61)
Total other comprehensive income (loss), net of tax	21	(7)	33	(19)
Balance	23	5	23	5
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Balance	(947)	(1,156)	(938)	(1,232)
Balance	(950)	(941)	(950)	(941)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance	(947)	(1,156)	(938)	(1,232)
Balance	$ (950)	$ (941)	$ (950)	$ (941)