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Investments - Amortized Costs of Non-accrual Loans (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans on non-accrual	$ 94	$ 57
Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans on non-accrual	85	57
Commercial mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans on non-accrual	$ 9	$ 0

X

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

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- Definition

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