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Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized (in shares) | 16,000,000 |  |
Number of shares available for grant (in shares) | 2,700,000 |  |
Measurement period of specific annual performance goals, in years | 1 year |  |
Cliff vesting period following date of grant | 2 years |  |
Allocated share-based compensation expense | $ 42 | $ 38 | $ 36
Tax benefit from compensation expense | 9 | 8 | 8
Compensation cost not yet recognized | $ 45 |  |
Compensation cost not yet recognized, period for recognition | 1 year 8 months 12 days |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value | $ 33 | $ 34 | $ 35
Weighted average grant date fair value of awards granted (in usd per share) | $ 44.28 | $ 37.06 | $ 46.78
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage | 0.00% |  |
Award vesting period | 1 year |  |
Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage | 200.00% |  |
Award vesting period | 3 years |  |

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