Other Comprehensive Income (Loss) - Schedule of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024	Sep. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total Other comprehensive income (loss), net of tax	$ 58		$ (42)		$ (141)	$ 37
Accumulated Other Comprehensive Income (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total Other comprehensive income (loss), net of tax	55	[1]	(39)	[1]	(136)	81	[2]
Cumulative translation adjustments, pre-tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other comprehensive income (loss), before tax	(10)		(46)		(175)	60
Other comprehensive income (loss), pretax	(10)		(46)		(175)	60
Tax amounts	51		(30)		12	(25)
Total Other comprehensive income (loss), net of tax	41		(76)		(163)	35
Retirement Plan and other retiree benefit adjustments, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other comprehensive income (loss), before tax	29		47		43	63
Other comprehensive income (loss), before reclassifications, pretax	22		40		21	40
Reclassification from AOCI, pretax	7		7		22	23
Other comprehensive income (loss), pretax	29		47		43	63
Tax amounts	(8)		(15)		(11)	(18)
Total Other comprehensive income (loss), net of tax	21		32		32	45
Gains (losses) on cash flow hedges, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other comprehensive income (loss), before tax	(8)		7		(6)	1
Other comprehensive income (loss), pretax	(8)		7		(6)	1
Tax amounts	1		(2)		1	0
Total Other comprehensive income (loss), net of tax	$ (7)		$ 5		$ (5)	$ 1

[1] Accumulated other comprehensive income (loss) includes cumulative translation losses of $3,515 at September 30, 2024 ($3,458 at September 30, 2023) and $3,555 at June 30, 2024 ($3,381 at June 30, 2023), respectively, and unrecognized retirement plan and other retiree benefits costs of $615 at September 30, 2024 ($586 at September 30, 2023) and $636 at June 30, 2024 ($618 at June 30, 2023), respectively.

[2] Accumulated other comprehensive income (loss) includes cumulative translation losses of $3,515 at September 30, 2024 ($3,458 at September 30, 2023) and $3,351 at December 31, 2023 ($3,491 at December 31, 2022), respectively, and unrecognized retirement plan and other retiree benefits costs of $615 at September 30, 2024 ($586 at September 30, 2023) and $647 at December 31, 2023 ($631 at December 31, 2022), respectively.