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v3.23.3

Goodwill and Value of business acquired (Roll-forward of Goodwill by Business Segment) (Details) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 USD ($)
Goodwill [Roll Forward] |  |
Balance at beginning of period | $ 16,228 |
Goodwill, Acquired During Period | 3,394 | [1]
Foreign exchange revaluation and other | (68) |
Balance at end of period | 19,554 |
goodwill attributable to noncontrolling interests | 1,000 |
North America Commercial P&C Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 6,945 |
Foreign exchange revaluation and other | 0 |
Balance at end of period | 6,945 |
North America Personal P&C Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 2,230 |
Foreign exchange revaluation and other | 0 |
Balance at end of period | 2,230 |
North America Agricultural Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 134 |
Foreign exchange revaluation and other | 0 |
Balance at end of period | 134 |
Overseas General Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 4,605 |
Foreign exchange revaluation and other | 44 |
Balance at end of period | 5,211 |
Global Reinsurance [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 371 |
Foreign exchange revaluation and other | 0 |
Balance at end of period | 371 |
Segment Life [Member] |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 1,943 |
Foreign exchange revaluation and other | (112) |
Balance at end of period | 4,663 |
Huatai Group | North America Commercial P&C Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | 0 | [1]
Huatai Group | North America Personal P&C Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | 0 | [1]
Huatai Group | North America Agricultural Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | 0 | [1]
Huatai Group | Overseas General Insurance [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | 562 | [1]
Huatai Group | Global Reinsurance [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | 0 | [1]
Huatai Group | Segment Life [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, Acquired During Period | $ 2,832 | [1]
[1] | $1.0 billion attributable to noncontrolling interests.

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