Other Financial Data - Schedule of Other Income (Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		101 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025
Other Financial Data [Abstract]
Pension and other postretirement	$ (21)	$ (14)	$ (65)	$ (35)
Extinguishment of debt	0	(1)	0	(7)
Gain from sales of businesses	1	76	1	333
Equity earnings	4	2	5	5
Foreign currency remeasurement	11	(30)	(43)	(21)
Financial instruments and other	(8)	2	135	71
Total	$ (13)	35	33	346
Deferred consideration on divestiture		$ 2	$ 108	$ 84	$ 192