Debt - Maturity of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Total	$ 9,191	$ 8,922
Consolidated Entities, Excluding Consolidated Investments
Debt Instrument [Line Items]
Total	9,035	$ 8,764
2026	36
2027	963
2028	692
2029	205
2030	959
Thereafter	6,180
Nonrecourse
Debt Instrument [Line Items]
Total	156
Unsecured Debt
Debt Instrument [Line Items]
Total	9,010
2026	29
2027	963
2028	692
2029	205
2030	959
Thereafter	6,162
Secured Debt
Debt Instrument [Line Items]
Total	25
2026	7
2027	0
2028	0
2029	0
2030	0
Thereafter	18
Notes And Bonds Payable \| Unsecured Debt
Debt Instrument [Line Items]
Total	8,529
2026	29
2027	963
2028	692
2029	205
2030	959
Thereafter	5,681
Junior Subordinated Debt, General Borrowing \| Unsecured Debt
Debt Instrument [Line Items]
Total	481
2026	0
2027	0
2028	0
2029	0
2030	0
Thereafter	$ 481

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.

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