Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Supplemental Cash Flow Information
Amount of receivables sold	$ 444	$ 429	$ 436
Receivables sold under supply-chain factoring program	186	120	$ 176
Interest paid in cash	49	58
Change in cash from operating activities from factoring program	8	(110)
Income taxes paid in cash
Income taxes paid in cash	10	34
U.S.
Income taxes paid in cash
Income taxes paid in cash		2
Non-U.S.
Income taxes paid in cash
Income taxes paid in cash	$ 10	$ 32