Variable Interest Entities - Schedule of Principal Provisions of Subscription Lines (Details) - VIE, Primary Beneficiary - Asset Management - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Dec. 31, 2024 |
|
| Debt Instrument [Line Items] | ||
| Principal Outstanding | $ 2,080 | $ 1,198 |
| Subscription lines | ||
| Debt Instrument [Line Items] | ||
| Principal Outstanding | $ 2,080 | $ 1,198 |
| Weighted Average Interest Rate (as percent) | 6.66% | 6.84% |
| Weighted Average Remaining Maturity in Years | 29 days | 21 days |
| X | ||||||||||
- Definition Debt Instrument, Weighted Average Remaining Term No definition available.
|
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average interest rate of debt outstanding. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|