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Commitments and Contingencies - Schedule of Investment Commitments (Details) $ in Millions	Mar. 31, 2025 USD ($)
Commitment to Invest
Other Commitments [Line Items]
Total	$ 3,700
Residential mortgage loans
Other Commitments [Line Items]
Total	222
Limited partnerships | Commitment to Invest
Other Commitments [Line Items]
Total	1,157
Whole loans | Commitment to Invest
Other Commitments [Line Items]
Total	231
Fixed maturity securities, ABS | Commitment to Invest
Other Commitments [Line Items]
Total	382
Direct Lending | Commitment to Invest
Other Commitments [Line Items]
Total	1,263
Other fixed maturity securities, AFS | Commitment to Invest
Other Commitments [Line Items]
Total	148
Commercial mortgage loans | Commitment to Invest
Other Commitments [Line Items]
Total	94
Other assets | Commitment to Invest
Other Commitments [Line Items]
Total	203
Other invested assets | Commitment to Invest
Other Commitments [Line Items]
Total	$ 0

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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- Definition

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