Defined Benefit Pension Plans (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 0		$ 1	$ 0	$ 2
Interest cost	0		2	0	3
Expected return on plan assets	0		(2)	0	(3)
Amortization of Prior Service Cost	0		0	0	0
Amortization of net loss	0		1	0	2
Net periodic pension costs before loss due to settlement	0		2	0	4
Loss due to settlement	0	$ 6	0	6	0
Net periodic pension cost	$ 0		$ 2	$ 6	$ 4