Pension and Other Postretirement Benefits - Schedule of Net Benefit Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 7	$ 8	$ 6
Expected return on plan assets	(5)	(7)	(7)
Amortization of net actuarial loss	1	1	1
Settlement expense	0	0	1
Net periodic benefit cost	3	2	1
Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	0	0	0
Expected return on plan assets	0	0	0
Amortization of net actuarial loss	0	0	0
Settlement expense	0	0	0
Net periodic benefit cost	0	0	0
Supplemental Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	1	1
Expected return on plan assets	0	0	0
Amortization of net actuarial loss	0	0	0
Settlement expense	0	0	0
Net periodic benefit cost	$ 1	$ 1	$ 1