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v3.24.3

Principles of Consolidation and Other Matters (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Operating funds related to regulatory requirements or as collateral under captive insurance arrangements | $ 507 |  | $ 507 |  | $ 486
Equity method investments lag period (in months) |  |  | 3 months |  |
Net investment income | $ 1 | $ 1 | $ 3 | $ 6 |
Effective tax rate (as a percent) | 27.30% | 20.60% | 25.80% | 23.70% |
Share-based payments of excess tax benefit (as a percent) | 0.30% | 1.00% | 1.30% | 1.20% |
Valuation allowance |  | $ 48 |  |  |
Effective tax rate due to change in enacted income tax rate (as a percent) |  | 4.80% |  | 1.10% |
Unrecognized tax benefits | $ 122 |  | $ 122 |  | $ 124
Reasonably possible decrease in unrecognized tax benefits | $ 66 |  | $ 66 |  |

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