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v3.20.2

Segments of Operations - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) segment | Sep. 30, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of segments | segment |  |  | 3 |
Net earned premiums | $ 1,381 | $ 1,442 | $ 3,774 | $ 3,815
Net investment income | 572 | 588 | 1,584 | 1,710
Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net earned premiums | 1,381 | 1,442 | 3,774 | 3,815
Net investment income | 112 | 124 | 277 | 352
Property and casualty insurance underwriting | 18 | 54 | 114 | 200
Investment and other income, net | 100 | 118 | 249 | 328
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Special charges to increase asbestos and environmental reserves | 21 | 11 |  |
Run-off Long-term Care and Life |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Loss recognition charge | 4 |  |  |
Other lines | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net earned premiums | 42 | 0 | 174 | 0
Property and casualty insurance underwriting | (86) | (34) | (133) | (36)
Special A&E charges | 47 | 18 | 47 | 18
Neon Capital Limited |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net investment income | 1 |  | (5) |
Neon Capital Limited | Other lines | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net earned premiums |  | 97 |  | 274
Net investment income | 1 |  | (5) |
Property and casualty insurance underwriting | (38) | $ (19) | (82) | $ (33)
Investment and other income, net | $ (2) |  | $ (10) |

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