Retirement and Benefit Plans - Defined Benefit Retirement Plans with Overfunded and Underfunded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1	$ 102
Fair value of plan assets at December 31	87	$ 102
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Interest cost	5	6	$ 5
Underfunded defined benefit pension plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1	102	109
Actual return on assets	(3)	5
Contributions	1	2
Settlement	(7)	(7)
Benefits paid	(6)	(7)
Fair value of plan assets at December 31	87	102	109
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation at January 1	113	120
Interest cost	5	6
Settlement	(7)	(7)
Actuarial (gain) loss	(5)	1
Benefits paid	(6)	(7)
Projected benefit obligation at December 31	100	113	$ 120
Underfunded projected benefit obligation at December 31	(13)	(11)
Accumulated benefit obligation at December 31	$ 100	$ 113