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Employee Retirement Benefits - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Provision for defined contribution plans	$ 23	$ 20	$ 16
Defined benefit plan, actual benefit plan obligation allocations	99.00%
Asset allocation percentage	100.00%
Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset allocation percentage	25.00%
Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset allocation percentage	65.00%
Real Assets
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Asset allocation percentage	10.00%
Qualified pension plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contribution	$ 4	$ 4	$ 0

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- Definition

Defined Benefit Plan, Actual Benefit Plan Obligation Allocations

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Amount of cost for defined contribution plan.

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