v3.25.4

Pension and Other Benefit Programs - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Contributions | $ 0 | $ 0 | $ 0
Amount pending settlement | $ 25,000,000 | 56,000,000 |
Period of amortization | 4 years |  |
Corridor approach percentage | 10.00% |  |
Cash surrender value of life insurance | $ 27,000,000 | 60,000,000 |
Net periodic post-retirement benefit costs | $ (5,000,000) | (4,000,000) | (5,000,000)
Health care cost trend rate assumed | 7.30% |  |
Ultimate health care cost trend rate | 3.90% |  |
Contribution plan cost | $ 91,000,000 | 74,000,000 | 69,000,000
Supplemental Employee Retirement Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Net periodic post-retirement benefit costs | 1,000,000 | 1,000,000 | 1,000,000
Post-retirement Benefit Plans |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Net periodic post-retirement benefit costs | $ 4,000,000 | $ 5,000,000 | $ 3,000,000
Discount rate | 5.10% | 5.30% |
Weighted-average discount rate for determining interest costs (pension/SERP plans) | 5.10% | 4.60% |
Medicare subsidy receipts | $ 8,000,000 |  |
Equity securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation, percentage | 5.00% |  |
Fixed income securities |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation, percentage | 95.00% |  |

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- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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