Employee Benefit Plans and Postretirement Benefits - Pre-tax Amounts Recognized in Accumulated Other Comprehensive Income (Loss) (Details) $ in Millions |
Dec. 31, 2025
USD ($)
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|---|---|
| Pension | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Unrecognized actuarial losses (gains) | $ 313 |
| Unrecognized prior service credit | 18 |
| Accumulated other comprehensive (income) loss | 331 |
| Healthcare | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Unrecognized actuarial losses (gains) | 3 |
| Unrecognized prior service credit | 1 |
| Accumulated other comprehensive (income) loss | 4 |
| Other | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Unrecognized actuarial losses (gains) | (20) |
| Unrecognized prior service credit | 0 |
| Accumulated other comprehensive (income) loss | $ (20) |
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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