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Stock-Based Compensation - Schedule of Stock Based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Stock-based compensation, before tax: |  |
Total stock-based compensation, before tax | $ 34 | $ 26
Excess income tax benefits from equity compensation plans | 7 | 9
Stock options |  |
Stock-based compensation, before tax: |  |
Total stock-based compensation, before tax | 6 | 4
Retention awards |  |
Stock-based compensation, before tax: |  |
Total stock-based compensation, before tax | 22 | 17
ESPP |  |
Stock-based compensation, before tax: |  |
Total stock-based compensation, before tax | $ 6 | $ 5

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