Pension and Other Postretirement Benefits - Narrative (Details) $ in Millions	1 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Apr. 30, 2024 USD ($) employee	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Plan assets transferred to an insurance company		$ 24
Number of retirees and beneficiaries transferred plans | employee		700
Defined benefit plan, expected employer contribution next fiscal year			$ 6
Defined contribution plan, employer contribution amount			31	$ 28	$ 22
Terminated Vested Participants
Defined Benefit Plan Disclosure [Line Items]
Benefits paid	$ 8
Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation			144	182
Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Benefits paid			$ 41	$ 12