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Other Comprehensive Earnings (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components Of Other Comprehensive Earnings (Loss) | Components of other comprehensive earnings (loss) consist of the following:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Pension and postretirement benefit plans: |  |  |  |  |  |  |  |  |  |  |  |
Beginning accumulated pension and postretirement benefits |  | $ | (114 | ) |  | $ | (130 | ) |  | $ | (116 | ) |  | $ | (132 | )
Recognition of net actuarial loss and prior service cost in earnings (1) |  |  | 1 |  |  |  | 1 |  |  |  | 4 |  |  |  | 4 |
Income tax expense |  |  | — |  |  |  | — |  |  |  | (1 | ) |  |  | (1 | )
Accumulated other comprehensive loss, net of tax |  | $ | (113 | ) |  | $ | (129 | ) |  | $ | (113 | ) |  | $ | (129 | )
(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.

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