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v3.22.1

Business Segments (Revenues by line of business) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Total revenues | $ 2,885 | $ 2,866
Total operating revenues | 2,896 | 2,809
Net investment gains (losses) | (11) | 57
Operating Segments | Specialty |  |
Total revenues | 1,258 | 1,190
Operating Segments | Commercial |  |
Total revenues | 1,030 | 1,008
Operating Segments | International |  |
Total revenues | 277 | 266
Operating Segments | Life & Group |  |
Total revenues | 331 | 340
Operating Segments | Corporate & Other |  |
Total revenues | 2 | 7
Eliminations |  |
Total revenues | (2) | (2)
Management & Professional Liability | Operating Segments | Specialty |  |
Total revenues | 673 | 667
Surety | Operating Segments | Specialty |  |
Total revenues | 148 | 142
Warranty & Alternative Risks | Operating Segments | Specialty |  |
Total revenues | 437 | 381
Middle Market | Operating Segments | Commercial |  |
Total revenues | 362 | 375
Construction | Operating Segments | Commercial |  |
Total revenues | 324 | 309
Small Business | Operating Segments | Commercial |  |
Total revenues | 138 | 126
Other Commercial | Operating Segments | Commercial |  |
Total revenues | 206 | 198
Canada | Operating Segments | International |  |
Total revenues | 88 | 79
Europe | Operating Segments | International |  |
Total revenues | 120 | 111
Hardy | Operating Segments | International |  |
Total revenues | $ 69 | $ 76

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