Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Restructuring and Related Cost
Restructuring costs	$ 13	$ 64
Employee Separation Charges [Roll Forward]
Restructuring Reserve, Beginning Balance	61	164
Increase in liability (separation charges)	5	45
Payments for Restructuring	(19)	(55)
Restructuring Reserve, Ending Balance	47	154
Employee separations | Other Operating Income (Expense)
Restructuring and Related Cost
Restructuring costs	5	45
Long-lived asset impairments | Other Operating Income (Expense)
Restructuring and Related Cost
Restructuring costs	0	11
Other | Cost of Sales
Restructuring and Related Cost
Restructuring costs	$ 8	$ 8