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Stock Incentive Plan - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2015
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Weighted average period over which cost is expected to be recognized |  | 1 year 8 months 12 days |  |  |
Unrecognized compensation costs associated with SOs |  | $ 0 |  |  |
Aggregate intrinsic value |  | 16,000,000 |  |  |
Non-employee Directors |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Grant date fair value |  | 2,000,000 |  |  |
Restricted Stock Units (RSUs) | Chairman |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Grant date fair value | $ 90,000 |  |  |  |
Restricted Stock Units (RSUs) | Non-employee Directors |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Grant date fair value | $ 152,500 |  |  |  |
Restricted Stock Units (RSUs) | LTI Program |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Grant date fair value |  | 7,000,000 |  |  |
Performance Shares | LTI Program |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Grant date fair value |  | $ 8,000,000 |  |  |
Stock Incentive Plan |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Maximum common shares that may be issued for awards |  | 9,585,055 |  |  |
Number of common shares that have been issued for awards |  | 7,156,026 |  |  |
Shares remain available for future grants |  | 2,429,029 |  |  |
Employee Stock Option |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based Compensation, grant expiration term |  |  |  |  | 10 years
Employment requisite period following grant date |  |  |  |  | 1 year
Closing price per share |  | $ 92.98 |  |  |
Restricted Stock Units And Performance Shares |  |  |  |  |
Share Based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Total stock compensation cost |  | $ 16,000,000 | $ 14,000,000 | $ 4,000,000 |
Total compensation cost related to non-vested awards |  | $ 17,000,000 |  |  |

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