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Business and Basis of Presentation (Details) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jul. 01, 2023 rISK | Mar. 31, 2024 USD ($) Company
Long-Lived Assets Held-for-sale [Line Items] |  |
Number of holding companies with outstanding public debt | Company |  | 2
Consolidated Investment Vehicles |  |
Long-Lived Assets Held-for-sale [Line Items] |  |
Number of remaining CIVs | rISK | 3 |
Disposal Group, Held-for-sale, Not Discontinued Operations |  |
Long-Lived Assets Held-for-sale [Line Items] |  |
Assets held for sale |  | $ 28
Liabilities held for sale |  | $ 3
Disposal Group, Held-for-sale, Not Discontinued Operations | Sound Point Agreement |  |
Long-Lived Assets Held-for-sale [Line Items] |  |
Participation percentage | 30.00% |
Term to make new investments |  | 2 years
Transaction commitment, new and transitioned investments |  | $ 1,000
Term to reinvest all returns of capital | 15 years |

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