Noncontrolling Interests (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Noncontrolling Interest [Line Items]
Noncontrolling Equity	$ 190.4	$ 188.1
Total, excluding BAM
Noncontrolling Interest [Line Items]
Noncontrolling Equity	$ 342.6	$ 342.8
HG Global
Noncontrolling Interest [Line Items]
Noncontrolling Percentage	3.10%	3.10%
Noncontrolling Equity	$ (0.3)	$ (0.6)
Ark
Noncontrolling Interest [Line Items]
Noncontrolling Percentage	28.00%	28.00%
Noncontrolling Equity	$ 251.3	$ 247.9
Asset Management (Kudu)
Noncontrolling Interest [Line Items]
Noncontrolling Percentage	10.80%	10.80%
Noncontrolling Equity	$ 81.3	$ 75.1
Other
Noncontrolling Interest [Line Items]
Noncontrolling Equity	$ 10.3	$ 20.4
BAM
Noncontrolling Interest [Line Items]
Noncontrolling Percentage	100.00%	100.00%
Noncontrolling Equity	$ (152.2)	$ (154.7)

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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+ Details