Restructuring Accruals (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring accrual
Beginning balance, restructuring reserve	$ 27	$ 31
Net cash paid, principally severance, related benefits and other exit costs	(6)	(4)
Ending balance, restructuring reserve	21	27
Employee Costs
Restructuring accrual
Beginning balance, restructuring reserve	17	20
Net cash paid, principally severance, related benefits and other exit costs	(3)	(3)
Ending balance, restructuring reserve	14	17
Other Exit Costs
Restructuring accrual
Beginning balance, restructuring reserve	10	11
Net cash paid, principally severance, related benefits and other exit costs	(3)	(1)
Ending balance, restructuring reserve	$ 7	$ 10