Employee Benefit Plans - Pre-tax Net Changes in Projected Benefit Obligations Recognized in Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Total recognized in other comprehensive (income) loss	$ 9	$ 17	$ (33)
Pension
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss arising during the year	(2)	4
Amortization of loss included in net periodic benefit cost	0	0
Recognition of loss due to settlement	(1)	0
Total recognized in other comprehensive (income) loss	(3)	4
Postemployment
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss arising during the year	12	13
Amortization of loss included in net periodic benefit cost	(9)	(7)
Recognition of loss due to settlement	0	0
Total recognized in other comprehensive (income) loss	$ 3	$ 6

Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement Gain (Loss), before Tax

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Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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