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Non-controlling Interests (Tables) | 9 Months Ended
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Sep. 30, 2022
Noncontrolling Interest [Abstract] |
Non-controlling Interests | The following table presents the balance of non-controlling interests included in White Mountains’s total equity and the ownership interests held by non-controlling shareholders as of September 30, 2022 and December 31, 2021:
|  | September 30, 2022 |  | December 31, 2021
$ in Millions |  | Non-controlling Percentage (1) |  | Non-controlling Equity |  | Non-controlling Percentage (1) |  | Non-controlling Equity
Non-controlling interests, excluding BAM |  |  |  |  |  |  |  |
HG Global |  | 3.1 | % |  | $ | (.3) |  |  | 3.1 | % |  | $ | 8.9 |
Ark |  | 28.0 | % |  | 217.1 |  |  | 28.0 | % |  | 230.7 |
Kudu |  | 10.7 | % |  | 80.8 |  |  | .7 | % |  | 12.4 |
NSM (2) |  | — | % |  | — |  |  | 3.5 | % |  | 16.7 |
Other |  | various |  | 20.8 |  |  | various |  | 11.9 |
Total, excluding BAM |  |  |  | 318.4 |  |  |  |  | 280.6 |
BAM |  | 100.0 | % |  | (160.1) |  |  | 100.0 | % |  | (124.0) |
Total non-controlling interests |  |  |  | $ | 158.3 |  |  |  |  | $ | 156.6 |
(1) The non-controlling percentage represents the basic ownership interests held by non-controlling shareholders with the exception of HG Global, for which the non-controlling percentage represents the preferred share ownership held by non-controlling shareholders. (2) As a result of the NSM Transaction, NSM has been classified as discontinued operations through the closing of the transaction. See Note 19 — “Held for Sale and Discontinued Operations.”

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