Condensed Consolidated Statements of Comprehensive Loss (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Currency translation adjustments, tax	$ 2	$ 4	$ 13	$ (9)
Pension and other postretirement benefits, tax	(1)	(2)	2	(3)
Hedging activities, tax	1	2	3	1
Less: Comprehensive income attributable to noncontrolling interests	3	2	5	3
Less: Other comprehensive loss attributable to noncontrolling interests	$ 0	$ 0	$ (4)	$ 0