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Stock Compensation Plans - Stock-based Compensation Expense and Cash Activity (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |  |  |
Stock-based compensation expense recognized | $ 23 | $ 19 | $ 14
Tax benefit | (5) | (4) | (3)
After-tax stock-based compensation expense | 18 | 15 | 11
Cash payments to settle SARs | 0 | 0 | 0
Cash received from stock option exercises | $ 3 | $ 3 | $ 1

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