Restructuring Accruals (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Restructuring accrual
Beginning balance, restructuring reserve	$ 31	$ 45
Net cash paid, principally severance and related benefits	(4)	(3)
Other, including foreign exchange translation		1
Ending balance, restructuring reserve	27	43
Employee Costs
Restructuring accrual
Beginning balance, restructuring reserve	20	38
Net cash paid, principally severance and related benefits	(3)	(3)
Ending balance, restructuring reserve	17	35
Other Exit Costs
Restructuring accrual
Beginning balance, restructuring reserve	11	7
Net cash paid, principally severance and related benefits	(1)
Other, including foreign exchange translation		1
Ending balance, restructuring reserve	$ 10	$ 8