Employee Benefits (Details) - Pension Plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Interest cost on PBO	$ 11	$ 10	$ 33	$ 30
Expected return on plan assets	(11)	(10)	(33)	(29)
Amortization of losses	2	3	6	8
Settlement loss	0	0	0	0
Net pension cost	$ 2	$ 3	$ 6	$ 9