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Shareholders' Equity - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total intrinsic value of options exercised | $ 8,000,000 | $ 18,000,000 | $ 88,000,000
Cash received from the exercise of stock options | 4,000,000 | 7,000,000 | 58,000,000
Tax benefit related to exercise of stock options | 1,000,000 | 3,000,000 | 14,000,000
Total compensation expense related to stock incentive plans | 18,000,000 | 19,000,000 | 16,000,000
Tax benefit related to compensation costs | $ 6,000,000 | 8,000,000 | 19,000,000
Year one |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option vesting rate | 20.00% |  |
Year two |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option vesting rate | 20.00% |  |
Year three |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option vesting rate | 20.00% |  |
Year four |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option vesting rate | 20.00% |  |
Year five |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option vesting rate | 20.00% |  |
Share-based payment arrangement |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common Stock reserved for issuance under stock incentive plans (shares) | 2,100,000 |  |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted common stock vesting period | 4 years |  |
Restricted Common Stock vested during period, fair value | $ 25,000,000 | $ 23,000,000 | $ 28,000,000
Weighted average period of cost expected to be recognized | 2 years 6 months |  |
Unrecognized compensation expense related to equity-based awards that have yet to vest | $ 32,000,000 |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, period before vesting begins | 1 year |  |
Duration of options expiration, after date of grant | 10 years |  |
Unrecognized compensation expense related to equity-based awards that have yet to vest | $ 0 |  |

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