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Other Comprehensive Earnings (Loss) | 12 Months Ended
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Dec. 31, 2023
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Other Comprehensive Earnings (Loss) | 9. Other Compr ehensive Earnings (Loss) Components of other comprehensive earnings (loss) consist of the following:
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Pension and postretirement benefit plans: |  |  |  |  |  |  |  |  |
Beginning accumulated pension and postretirement benefits |  | $ | (116 | ) |  | $ | (132 | ) |  | $ | (127 | )
Net actuarial gain (loss) and prior service cost arising in current year |  |  | (15 | ) |  |  | 15 |  |  |  | (35 | )
Recognition of net actuarial loss and prior service cost in earnings (1) |  |  | 5 |  |  |  | 6 |  |  |  | 3 |
Settlement of pension benefits (2) |  |  | — |  |  |  | — |  |  |  | 19 |
Other (3) |  |  | — |  |  |  | — |  |  |  | 7 |
Income tax benefit (expense) |  |  | 2 |  |  |  | (5 | ) |  |  | 1 |
Accumulated other comprehensive loss, net of tax |  | $ | (124 | ) |  | $ | (116 | ) |  | $ | (132 | )
(1) Recognition of net actuarial loss and prior service cost are included in the computation of net periodic benefit cost, which is a component of other, net in the accompanying consolidated statements of comprehensive earnings. See Note 16 for additional details. (2) In 2021, the Merger triggered settlement payments to certain plan participants, and the expense associated with this settlement is recognized as a component of restructuring and transaction costs in the accompanying consolidated statements of comprehensive earnings. (3) Other includes a remeasurement of the pension obligation due to the Merger, which was partially offset by a change in mortality assumption.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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