Retirement Plans - Narrative (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2023
Qualified Plan \| Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Estimated social security benefits age	65 years
Nonqualified Plan \| Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Pension plan contribution		$ 6
Defined benefit plan, expected future employer contributions, current fiscal year	$ 5

Age in which estimates of social security benefits received will be incorporated for purpose of determining pension benefits.

No definition available.

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

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