Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Supplemental Cash Flow Information
Amount of receivables sold	$ 416	$ 426	$ 436
Receivables sold under supply-chain factoring program	189	188	$ 176
Interest paid in cash	144	196
Change in cash from operating activities from factoring program	(20)	(113)
Income taxes paid in cash
Income taxes paid in cash	64	54
Interest paid for note repurchase premiums related to debt repaid prior to maturity		41
U.S. operations
Income taxes paid in cash
Income taxes paid in cash	6	1
Non-U.S.
Income taxes paid in cash
Income taxes paid in cash	$ 58	$ 53