Long-duration Contracts - Schedule of Interest Sensitive Contract Liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | $ 204,670 | $ 173,616 |
| Traditional deferred annuities | ||
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | 64,763 | 43,518 |
| Indexed annuities | ||
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | 93,147 | 92,660 |
| Funding agreements | ||
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | 32,350 | 27,439 |
| Other investment-type | ||
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | 7,629 | 4,722 |
| Reconciling items | ||
| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Interest sensitive contract liabilities | $ 6,781 | $ 5,277 |