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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2025
Equity [Abstract] |
Schedule of Share Repurchase Program | Summary of activity under the SRP:
|  | Three Months Ended June 30, 2025 |  | Six Months Ended June 30, 2025
|  | Number of Shares |  | Share Price (a) |  | Total Amount |  | Number of Shares |  | Share Price (a) |  | Total Amount
Share repurchases |  | — |  |  | $ | — |  |  | $ | — |  |  | 452,130 |  |  | $ | 186.24 |  |  | $ | 85 |
Share retirements |  | — |  |  | — |  |  | — |  |  | 452,130 |  |  | 186.24 |  |  | 85 |
__________________ (a)Weighted average price per share, including transaction costs and excise taxes.
Schedule of Accumulated Other Comprehensive Income | Changes in AOCI for the periods were:
|  | Six Months Ended June 30, |  |  |
|  | 2025 |  | 2024 |  |  |  |  |
Beginning balance |  | $ | (12) |  |  | $ | (23) |  |  |  |  |  |
Gains (losses) arising during the period |  | 8 |  |  | 1 |  |  |  |  |  |
Reclassifications to Consolidated Statements of Operations |  | (4) |  |  | (12) |  |  |  |  |  |
Income tax benefit (expense) |  | (1) |  |  | 5 |  |  |  |  |  |
Other comprehensive income (loss) |  | 3 |  |  | (6) |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  | $ | (9) |  |  | $ | (29) |  |  |  |  |  |
The components of AOCI, net of tax, as of June 30, were:
|  | 2025 |  | 2024 |  |  |
Available-for-sale securities unrealized gain (loss), net |  | $ | 1 |  |  | $ | (1) |  |  |  |
Postretirement benefit prior service credits (costs), net |  | 13 |  |  | — |  |  |  |
Postretirement benefit actuarial gain (loss), net |  | (23) |  |  | (28) |  |  |  |
Accumulated other comprehensive income (loss) |  | $ | (9) |  |  | $ | (29) |  |  |  |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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- Definition The entire disclosure for repurchase agreements. + References No definition available. + Details
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