Employee Benefits (Details) - Pension Plans - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Interest cost on PBO	$ 10	$ 11
Expected return on plan assets	(10)	(11)
Amortization of losses	3	3
Settlement loss	0	0
Net pension cost	$ 3	$ 3