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v3.25.2

Investments (Securities Lending and Repurchase Agreements) (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Securities Financing Transaction [Line Items] |  |
Cash collateral on deposit from counterparties | $ 12,520 | $ 11,404
Reinvestment portfolio - estimated fair value | 12,485 | 11,202
Estimated fair value |  |
Securities Financing Transaction [Line Items] |  |
Securities loaned | 12,257 | 11,119
Securities Sold under Agreements to Repurchase | 2,995 | 3,019
Repurchase Agreements |  |
Securities Financing Transaction [Line Items] |  |
Cash collateral on deposit from counterparties | 2,925 | 2,975
Reinvestment portfolio - estimated fair value | $ 2,909 | $ 2,925

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