Retirement Plans - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Type [Extensible Enumeration]	us-gaap:PensionPlansDefinedBenefitMember	us-gaap:PensionPlansDefinedBenefitMember
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 31	$ 31