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v3.22.0.1

Segment Information - Assets (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2012
--- | --- | --- | ---
Segment reporting information |  |  |
Total investments | $ 4,265.3 | $ 2,939.0 |
Total assets | 7,000.7 | 4,831.4 |
Total liabilities | 3,296.0 | 1,013.5 |
Total White Mountains’s common shareholders’ equity | 3,548.1 | 3,906.0 |
Non-controlling interests | 156.6 | (88.1) |
Held for Sale |  |  |
Segment reporting information |  |  |
Total investments | 0.0 | 0.0 |
Total assets | 16.1 | 2.3 |
Total liabilities | 0.0 | 0.0 |
Total White Mountains’s common shareholders’ equity | 16.1 | 2.3 |
Non-controlling interests | 0.0 | 0.0 |
HG Global-BAM |  |  |
Segment reporting information |  |  |
Total investments | 966.5 | 919.9 |
Total assets | 1,044.8 | 1,017.8 |
Total liabilities | 321.9 | 291.5 |
Total White Mountains’s common shareholders’ equity | 838.0 | 836.1 |
Non-controlling interests | (115.1) | (109.8) |
Ark |  |  |
Segment reporting information |  |  |
Total investments | 1,562.1 | 0.0 |
Total assets | 3,027.0 | 0.0 |
Total liabilities | 2,122.4 | 0.0 |
Total White Mountains’s common shareholders’ equity | 673.9 | 0.0 |
Non-controlling interests | 230.7 | 0.0 |
NSM |  |  |
Segment reporting information |  |  |
Total investments | 0.0 | 0.0 |
Total assets | 977.3 | 999.6 |
Total liabilities | 495.3 | 491.8 |
Total White Mountains’s common shareholders’ equity | 465.3 | 490.7 |
Non-controlling interests | 16.7 | 17.1 |
Kudu |  |  |
Segment reporting information |  |  |
Total investments | 669.5 | 400.6 |
Total assets | 727.1 | 430.2 |
Total liabilities | 261.0 | 96.3 |
Total White Mountains’s common shareholders’ equity | 453.7 | 331.6 |
Non-controlling interests | 12.4 | 2.3 |
Other Operations |  |  |
Segment reporting information |  |  |
Total investments | 1,067.2 | 1,618.5 |
Total assets | 1,208.4 | 2,381.5 |
Total liabilities | 95.4 | 133.9 |
Total White Mountains’s common shareholders’ equity | 1,101.1 | 2,245.3 |
Non-controlling interests | 11.9 | 2.3 |
BAM |  |  |
Segment reporting information |  |  |
Surplus notes | 364.6 | 388.2 |
Accrued interest on surplus notes | 157.6 | 155.7 |
HG Global |  |  |
Segment reporting information |  |  |
Non-controlling interests | 8.9 | 13.5 |
Surplus notes |  |  | $ 503.0
Preferred Dividends Payable | HG Global |  |  |
Segment reporting information |  |  |
Total liabilities | $ 400.5 | $ 363.9 |

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