Defined Benefit Pension Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 1	$ 0	$ 3	$ 1
Interest cost	2	2	5	5
Expected return on plan assets	(2)	(3)	(5)	(10)
Amortization of Prior Service Cost	0	0	0	0
Amortization of net loss	1	1	4	4
Loss due to settlement	4	0	4	0
Net periodic pension cost	7	$ 1	11	$ 2
Purchase of non-participating group annuity contracts	33
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) In Accumulated Other Comprehensive Income (Loss)	93		93
Defined Benefit Plan, Benefit Obligation	$ 9		$ 9