Employee Benefits (Details) - Pension Plans - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Interest cost on PBO	$ 11	$ 7
Expected return on plan assets	(11)	(7)
Amortization of losses	3	4
Settlement loss	0	0
Net pension cost	$ 3	$ 4