Stockholders' Equity (Components of AOCI) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 975,000,000	$ 1,068,000,000	$ 700,000,000
Total Other Comprehensive Income (Loss), Net of Tax	322,000,000	(196,000,000)	86,000,000
Ending Balance	1,630,000,000	975,000,000	1,068,000,000
Reclassification for discontinuance	(20,000,000)	0	0
Unrealized Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(3,068,000,000)	(2,678,000,000)	(2,769,000,000)
Other comprehensive income (loss) before reclassifications	395,000,000	(434,000,000)	84,000,000
(Income) loss reclassified from AOCI	0	44,000,000	7,000,000
Total Other Comprehensive Income (Loss), Net of Tax	395,000,000	(390,000,000)	91,000,000
Ending Balance	(2,673,000,000)	(3,068,000,000)	(2,678,000,000)
Defined Benefit Plans | Pension Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(775,000,000)	(791,000,000)	(789,000,000)
Other comprehensive income (loss) before reclassifications	(18,000,000)	(15,000,000)	(57,000,000)
(Income) loss reclassified from AOCI	35,000,000	31,000,000	55,000,000
Total Other Comprehensive Income (Loss), Net of Tax	17,000,000	16,000,000	(2,000,000)
Ending Balance	(758,000,000)	(775,000,000)	(791,000,000)
Defined Benefit Plans | Other Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	47,000,000	39,000,000	52,000,000
Other comprehensive income (loss) before reclassifications	4,000,000	10,000,000	(9,000,000)
(Income) loss reclassified from AOCI	(4,000,000)	(2,000,000)	(4,000,000)
Total Other Comprehensive Income (Loss), Net of Tax	0	8,000,000	(13,000,000)
Ending Balance	47,000,000	47,000,000	39,000,000
Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	30,000,000	(152,000,000)	(163,000,000)
Other comprehensive income (loss) before reclassifications	(140,000,000)	131,000,000	(153,000,000)
(Income) loss reclassified from AOCI	50,000,000	51,000,000	164,000,000
Total Other Comprehensive Income (Loss), Net of Tax	(90,000,000)	182,000,000	11,000,000
Ending Balance	$ (60,000,000)	$ 30,000,000	$ (152,000,000)