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Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected future policy benefit and expense component of liability for future policy benefit.

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Adoption of Accounting Pronouncement - Schedule of Future Policy Benefits and Changes to the Liability (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			$ 41,482
Effect of changes in cash flow assumptions	$ (297)
Reported
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			47,114
Change in discount rate assumptions
Liability for Future Policy Benefit, Activity [Line Items]
Change in discount rate assumptions			2,406
Adjustment for removal of balances related to market risk benefits
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			(5,610)
Adjustment for offsetting balance in negative VOBA
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			(2,428)
Traditional deferred annuities
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			0
Traditional deferred annuities \| Reported
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			221
Traditional deferred annuities \| Change in discount rate assumptions
Liability for Future Policy Benefit, Activity [Line Items]
Change in discount rate assumptions			0
Traditional deferred annuities \| Adjustment for removal of balances related to market risk benefits
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			(221)
Traditional deferred annuities \| Adjustment for offsetting balance in negative VOBA
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			0
Indexed annuities
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			0
Indexed annuities \| Reported
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			5,389
Indexed annuities \| Change in discount rate assumptions
Liability for Future Policy Benefit, Activity [Line Items]
Change in discount rate assumptions			0
Indexed annuities \| Adjustment for removal of balances related to market risk benefits
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			(5,389)
Indexed annuities \| Adjustment for offsetting balance in negative VOBA
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			0
Payout annuities with life contingencies
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance	45,001	$ 36,422	35,278
Change in discount rate assumptions	$ (6,233)	8,425	0
Effect of changes in cash flow assumptions		$ (297)
Payout annuities with life contingencies \| Reported
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			32,872
Payout annuities with life contingencies \| Change in discount rate assumptions
Liability for Future Policy Benefit, Activity [Line Items]
Change in discount rate assumptions			2,406
Payout annuities with life contingencies \| Adjustment for removal of balances related to market risk benefits
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			0
Payout annuities with life contingencies \| Adjustment for offsetting balance in negative VOBA
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			0
Reconciling items
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			6,204
Reconciling items \| Reported
Liability for Future Policy Benefit, Activity [Line Items]
Adjusted balance			8,632
Reconciling items \| Change in discount rate assumptions
Liability for Future Policy Benefit, Activity [Line Items]
Change in discount rate assumptions			0
Reconciling items \| Adjustment for removal of balances related to market risk benefits
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			0
Reconciling items \| Adjustment for offsetting balance in negative VOBA
Liability for Future Policy Benefit, Activity [Line Items]
Effect of changes in cash flow assumptions			$ (2,428)