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Long-duration Contracts - Reconciliation of Account Balance Within Interest Sensitive Contract Benefits (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | --- | ---
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | $ 184,359 | $ 173,616 | $ 164,487
Traditional deferred annuities |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | 50,917 |  | 35,944
Indexed annuities |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | 92,125 |  | 91,442
Funding agreements |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | 27,618 |  | 27,940
Other investment-type |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | 6,967 |  | 3,503
Reconciling items |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Interest sensitive contract liabilities | $ 6,732 |  | $ 5,658

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