Employee Benefits (Details) - Pension Plans - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Interest cost on PBO	$ 11	$ 6	$ 22	$ 13
Expected return on plan assets	(10)	(6)	(21)	(13)
Amortization of losses	2	3	5	7
Settlement loss	0	0	0	0
Net pension cost	$ 3	$ 3	$ 6	$ 7