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Share-Based Compensation - Summary of Activity Under Share-Based Compensation Plans (Parenthetical) (Detail) - shares | 6 Months Ended |
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Jun. 30, 2024 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Outstanding SARs | 4,000,000 | 600,000
Number of Shares, Expected to vest, Ending Balance | 7,323,000 |
Performance condition SARs [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share Based Compensation Arrangement By Share Based Payment Award Stock Appreciation Rights Vested And Expected | 900,000 |
Exercised SARs | 600,000 |
Number of shares, granted during period | 3,400,000 |
Performance condition SARs [Member] | Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Exercised SARs | 100,000 |
Performance Based Stock Unit Awards [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of Shares, Expected to vest, Ending Balance | 45,044,000,000 |
Performance Based Stock Unit Awards [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of share based payment awards other than options outstanding and nonvested that can vest maximum | 262,072 | 307,116

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- Definition Line items represent financial concepts included in a table. 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