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Stock-Based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Stock-Based Compensation |  |  |
Restricted stock and other stock-based awards expense | $ 247 | $ 171 | $ 214
Stock option expense | 0 | 0 | 0
Total stock-based compensation expense | 247 | 171 | 214
Tax benefit | $ 49 | $ 32 | $ 38

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