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v3.23.2

Segments of Operations - Earnings before income taxes by segment and sub-segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Earnings before realized gains (losses) and income taxes | $ 257 | $ 299 | $ 567 | $ 675
Realized gains (losses) on securities | (2) | (93) | (48) | (108)
Earnings before income taxes | 255 | 206 | 519 | 567
Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | 124 | 196 | 278 | 403
Investment and other income, net | 175 | 149 | 371 | 364
Earnings before realized gains (losses) and income taxes | 299 | 345 | 649 | 767
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earnings before realized gains (losses) and income taxes | (42) | (46) | (82) | (92)
Property and transportation | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | 32 | 39 | 75 | 101
Specialty casualty | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | 95 | 130 | 183 | 254
Specialty financial | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | 10 | 37 | 36 | 66
Other specialty | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | (14) | (9) | (16) | (16)
Other lines | Property and Casualty Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Property and casualty insurance underwriting | $ 1 | $ (1) | $ 0 | $ (2)

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