Variable Interest Entities - Investment Entities Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) debt_instrument	Dec. 31, 2023 USD ($)
VIEs, not primary beneficiary
Variable interest entities
Obligation to provide financial or other support to VIEs	$ 0
VIEs, not primary beneficiary \| Property Funds, Non-U.S. Series Funds, Hedge Funds and other Private Funds, and Affordable Housing Partnerships and Other Real Estate Partnerships
Variable interest entities
Maximum loss exposure	161	$ 168
Other investments	$ 161	168
Consolidated investment entities \| CLOs
Variable interest entities
Debt instrument, number \| debt_instrument	2
Debt issued	$ 816
Consolidated investment entities \| Unfunded commitments
Variable interest entities
Loans	$ 2	$ 24

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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- Definition

Amount of investments classified as other.

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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- Definition

The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support.

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- 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.

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