CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Investments
Other long-term investments	$ 1,815.0	$ 1,488.0
Total assets	8,376.3	7,389.3
Liabilities
Debt	566.1	575.2
Total liabilities	4,250.4	3,454.3
White Mountains’s common shareholders’ equity
White Mountains’s common shares at $1 par value per share—authorized 50,000,000 shares; issued and outstanding 2,560,452 and 2,572,156 shares	2.6	2.6
Paid-in surplus	540.6	536.0
Retained earnings	3,380.7	3,211.8
Accumulated other comprehensive income (loss), after-tax:
Net unrealized gains (losses) from foreign currency translation and interest rate swap	(1.7)	(3.5)
Total White Mountains’s common shareholders’ equity	3,922.2	3,746.9
Noncontrolling interests	203.7	188.1
Total equity	4,125.9	3,935.0
Total liabilities and equity	8,376.3	7,389.3
Financial Guarantee (HG Global/BAM)
Investments
Fixed maturity investments, at fair value	932.9	909.9
Short-term investments, at fair value	67.5	65.9
Total investments	1,000.4	975.8
Cash	2.9	18.2
Insurance premiums receivable	6.4	6.6
Deferred acquisition costs	37.4	36.0
Other assets	25.3	21.9
Total assets	1,072.4	1,058.5
Liabilities
Unearned insurance premiums	303.7	298.3
Debt	146.7	146.5
Accrued incentive compensation	14.7	28.0
Other liabilities	34.6	29.0
Total liabilities	499.7	501.8
P&C Insurance and Reinsurance (Ark/WM Outrigger)
Investments
Fixed maturity investments, at fair value	755.8	772.8
Common equity securities, at fair value	382.6	334.6
Short-term investments, at fair value	640.3	484.6
Other long-term investments	410.7	373.6
Total investments	2,189.4	1,965.6
Cash	101.7	101.5
Reinsurance recoverables	669.7	595.3
Insurance premiums receivable	1,077.2	544.1
Deferred acquisition costs	232.1	127.2
Goodwill and other intangible assets	292.5	292.5
Other assets	69.4	65.2
Total assets	4,632.0	3,691.4
Liabilities
Loss and loss adjustment expense reserves	1,421.0	1,296.5
Unearned insurance premiums	1,376.5	623.2
Debt	185.1	183.7
Reinsurance payable	247.0	251.1
Contingent consideration	45.1	45.3
Other liabilities	116.6	122.3
Total liabilities	3,391.3	2,522.1
Asset Management (Kudu)
Investments
Short-term investments, at fair value	4.1	0.0
Other long-term investments	737.1	695.9
Total investments	741.2	695.9
Cash	25.0	101.4
Accrued investment income	13.1	12.4
Goodwill and other intangible assets	8.4	8.6
Other assets	10.0	7.6
Total assets	797.7	825.9
Liabilities
Debt	203.7	208.3
Other liabilities	51.0	65.0
Total liabilities	254.7	273.3
Other Operations
Investments
Fixed maturity investments, at fair value	252.0	238.2
Common equity securities, at fair value	272.5	333.8
Short-term investments, at fair value	274.2	373.6
Investment in MediaAlpha, at fair value	235.7	168.6
Other long-term investments	667.2	418.5
Total investments	1,701.6	1,532.7
Cash	24.9	33.9
Goodwill and other intangible assets	72.7	91.3
Other assets	75.0	155.6
Total assets	1,874.2	1,813.5
Liabilities
Debt	30.6	36.7
Accrued incentive compensation	51.0	86.1
Other liabilities	23.1	34.3
Total liabilities	$ 104.7	$ 157.1