Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Income and Expenses [Abstract]
(Loss)/gain on disposal of operations	$ (54)	$ 359
Net periodic pension and postretirement benefit credits	71	76
Interest in earnings of associates and other investments	2	2
Foreign exchange gain	6	1
Other	2	0
Other income, net	$ 27	$ 438