Defined Benefit Pension Plans (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 0		$ 1	$ 0	$ 3
Interest cost	0		2	0	5
Expected return on plan assets	0		(2)	0	(5)
Amortization of Prior Service Cost	0		0	0	0
Amortization of net loss	0		1	0	4
Net periodic pension costs before loss due to settlement	0		2	0	7
Loss due to settlement	0	$ 6	4	6	4
Net periodic pension cost	$ 0		$ 7	$ 6	$ 11