Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Valuation Allowance [Line Items]
Deferred tax assets, net	$ 343,000,000	$ 513,000,000
Decrease in deferred tax liability due to investments unrealized losses	266,000,000
Decrease in deferred tax asset, reinsurance receivable	463,000,000
Decrease in deferred tax asset related to life insurance receivables	114,000,000
Operating loss carryforwards	25,000,000
Tax credits	119,000,000	74,000,000
Bermuda corporate income tax net operating loss carryforward	24,000,000	0
Valuation allowance	197,000,000	151,000,000
Unrecognized tax benefits	0	0
Income tax penalties and interest accrued	0	0
Income taxes receivable	26,000,000	26,000,000
F& G Subsidiaries
Valuation Allowance [Line Items]
Deferred tax assets, net	372,000,000	584,000,000
Income taxes receivable	28,000,000	$ 28,000,000
General Business Credit Carryforward
Valuation Allowance [Line Items]
Valuation allowance	28,000,000
Deferred Tax Asset, Capital Loss
Valuation Allowance [Line Items]
Valuation allowance	139,000,000
Valuation allowance, increase (decrease)	(20,000,000)
Bermuda Corporate Income Tax Net Operating Loss Carryforward
Valuation Allowance [Line Items]
Valuation allowance, increase (decrease)	(24,000,000)
Begin to expire in 2023
Valuation Allowance [Line Items]
Operating loss carryforwards	401,000,000
Title
Valuation Allowance [Line Items]
Decrease in deferred tax liability due to investments unrealized losses	11,000,000
Operating loss carryforwards	46,000,000
Operating loss carryforwards, valuation allowance	25,000,000
Title | Deferred Tax Asset, Capital Loss
Valuation Allowance [Line Items]
Valuation allowance	78,000,000
Valuation allowance, increase (decrease)	11,000,000
Title | General Business Credit Carryforward
Valuation Allowance [Line Items]
Tax credits	28,000,000
F&G
Valuation Allowance [Line Items]
Decrease in deferred tax liability due to investments unrealized losses	255,000,000
Increase in deferred tax liability, deferred acquisition costs	152,000,000
Increase deferred tax liability, reinsurance receivable	434,000,000
Operating loss carryforwards	355,000,000
F&G | Deferred Tax Asset, Capital Loss
Valuation Allowance [Line Items]
Valuation allowance	61,000,000
Valuation allowance, increase (decrease)	(31,000,000)
F&G | General Business Credit Carryforward
Valuation Allowance [Line Items]
Tax credits	79,000,000
F&G | IRS Section 382 Limited
Valuation Allowance [Line Items]
Operating loss carryforwards	$ 68,000,000