Variable Interest Entities - Narrative (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 325,603,000,000	$ 297,258,000,000
Total liabilities	300,841,000,000	273,459,000,000
Contingent Commitment for Tax Credit Investments
Variable Interest Entity [Line Items]
Other commitment	113,000,000
Low Income Housing Tax Credit
Variable Interest Entity [Line Items]
Investment owned	757,000,000
Production Tax Credit
Variable Interest Entity [Line Items]
Investment owned	325,000,000
VIE - primary beneficiary
Variable Interest Entity [Line Items]
Assets	0	0
Total liabilities	0	0
VIE - not primary beneficiary | Unconsolidated Funds
Variable Interest Entity [Line Items]
Potential maximum loss exposure of unconsolidated funds	19,000,000	18,000,000
VIE - not primary beneficiary | Low Income Housing, Production and Investment Tax Credit Entities
Variable Interest Entity [Line Items]
Potential maximum loss exposure of unconsolidated funds	1,220,000,000	$ 1,330,000,000
Deferred contribution payments included in accrued expenses and other liabilities	$ 46,000,000