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v3.23.3

Principles of Consolidation And Other Matters (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |
Operating funds related to regulatory requirements or as collateral under captive insurance arrangements | $ 448 |  | $ 448 |  | $ 348
Equity method investments lag period |  |  | 3 months |  |
Net investment income (loss) | $ 1 | $ (1) | $ 6 | $ 27 |
Effective tax rate (as a percent) | 20.60% | 24.60% | 23.70% | 24.60% |
Valuation allowance | $ 48 |  |  |  |
Effective tax rate due to change in enacted income tax rate, percent | 4.80% |  | 1.10% |  |
Share-based payments of excess tax benefit (as percent) | 1.00% | 0.90% | 1.20% | 1.20% |
Unrecognized tax benefits | $ 134 |  | $ 134 |  | $ 97
Reasonably possible decrease in unrecognized tax benefits | $ 79 |  | $ 79 |  |

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