Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 181
Ending Balance	396	$ 181
Other comprehensive income (loss) attributable to noncontrolling interests, net of tax	(7)	14	$ (10)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(744)	(711)	(692)
Ending Balance	(595)	(744)	(711)
Foreign currency translation adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(395)	(369)	(395)
Other comprehensive income (loss) before reclassifications	(76)	(26)	23
Income tax benefit (provision)	0	0	3
Ending Balance	(471)	(395)	(369)
Defined benefit plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(353)	(342)	(297)
Other comprehensive income (loss) before reclassifications	221	(8)	(46)
Reclassification from other comprehensive income (loss)	14	(5)	7
Income tax benefit (provision)	(8)	2	(6)
Ending Balance	(126)	(353)	(342)
Cash flow hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	4	0	0
Other comprehensive income (loss) before reclassifications		4	1
Reclassification from other comprehensive income (loss)	(8)	0	(1)
Ending Balance	$ 2	$ 4	$ 0