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v3.25.0.1

Segment Information - Schedule of Revenues and Other Assets by Geographic Area (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | $ 23,537 | $ 25,564 | $ 26,765
Adjusted Revenues | $ 7,177 | $ 6,751 | $ 6,560 | $ 6,763 | $ 6,526 | $ 7,267 | $ 7,436 | $ 6,709 | 27,251 | 27,938 | 29,996
Net Investment Income |  |  |  |  |  |  |  |  | 4,255 | 3,446 | 2,370
Net realized gains (losses) |  |  |  |  |  |  |  |  | (548) | (1,078) | 827
Other income |  |  |  |  |  |  |  |  | 7 | 6 | 34
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation | 1,116 |  |  |  | 1,132 |  |  |  | 1,116 | 1,132 | 1,153
North America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted Revenues |  |  |  |  |  |  |  |  | 13,031 | 14,701 | 15,163
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation | 804 |  |  |  | 760 |  |  |  | 804 | 760 | 768
International |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted Revenues |  |  |  |  |  |  |  |  | 14,220 | 13,237 | 14,833
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation | $ 312 |  |  |  | $ 372 |  |  |  | 312 | 372 | 385
Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | 23,457 | 25,091 | 25,340
Net Investment Income |  |  |  |  |  |  |  |  | 3,060 | 3,022 | 2,382
All Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | 0 | 3 | 937
Net Investment Income |  |  |  |  |  |  |  |  | 424 | 186 | (122)
Business in Run-Off |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | 83 | 475 | 478
Elimination and consolidations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | (3) | (5) | 10
Net Investment Income |  |  |  |  |  |  |  |  |  | (13) | 14
North America Commercial | Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | 8,172 | 10,233 | 10,444
International Commercial | Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | 8,145 | 7,964 | 7,701
Global Personal | Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Premiums |  |  |  |  |  |  |  |  | $ 7,140 | $ 6,894 | $ 7,195

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