Restructuring Programs - Restructuring and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Related restructuring costs	$ (1)	$ 0	$ 10	$ (3)
Retention related severance/bonuses
Restructuring Cost and Reserve [Line Items]
Related restructuring costs	(1)	(1)	0	(3)
Contractual severance costs
Restructuring Cost and Reserve [Line Items]
Related restructuring costs	0	1	0	0
Consulting and other costs
Restructuring Cost and Reserve [Line Items]
Related restructuring costs	$ 0	$ 0	$ 10	$ 0