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v3.25.1

Principles of Consolidation and Other Matters (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Operating funds related to regulatory requirements or as collateral under captive insurance arrangements | $ 502 |  | $ 455
Equity method investments lag period (in months) | 3 months |  |
Net investment income | $ 5 | $ 1 |
Effective tax rate (as a percent) | 22.70% | 23.90% |
Share-based payments of excess tax benefit (as a percent) | 2.10% | 2.30% |
Unrecognized tax benefits | $ 117 |  | $ 112
Reasonably possible decrease in unrecognized tax benefits | $ 70 |  |

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