Pension and Postretirement Benefit Plans - Narrative (Details) - Qualified and Non-qualified Pension Benefits $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, remainder of fiscal year	$ 22
International
Defined Benefit Plan Disclosure [Line Items]
Company contributions	$ 4

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

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+ Details

- 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.

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+ Details