Condensed Consolidated Statements of Comprehensive Loss (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Currency translation adjustments, tax	$ (18)	$ 3	$ (12)	$ 16
Pension and other postretirement benefits, tax	(3)	(1)	7	(2)
Hedging activities, tax	0	1	(1)	3
Discontinued operations, currency translation adjustments, net of tax	0	(2)	0	(4)
Discontinued operations, pension and other postretirement benefits, tax	0	0	(3)	0
Comprehensive income (loss)	$ 287	$ (417)	$ 481	$ (550)

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Continuing Operation, Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent

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Continuing Operation, Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax

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Discontinued Operation, Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax

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Discontinued Operations, Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax

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