Reinsurance (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2021
Reinsurance Disclosures [Abstract]
Deposit assets in premiums, reinsurance, and other receivables or secondary guarantee risk for reinsurance	$ 5,100	$ 1,900
Deposit liabilities in other liabilities for reinsurance	1,300	1,400
Ceded Credit Risk [Line Items]
Reinsurance recoverables	16,700	6,100
Other liabilities	35,805	25,933
Investments	446,137	433,293
Separate account assets	144,634	146,038
Premiums, reinsurance and other receivables relating to variable interest entities	28,971	17,364	$ 18,169
Ceded Reinsurance [Member]
Ceded Credit Risk [Line Items]
Other liabilities	6,788	5,273
Premiums, reinsurance and other receivables relating to variable interest entities	$ 21,522	10,432
Modified Coinsurance of Closed Block [Member]
Reinsurance Retention Policy [Line Items]
Reinsurance Retention Policy, Reinsured Risk, Percentage	59.00%
Universal Life, Variable Universal Life, and Universal Life with Secondary Guarantees
Ceded Credit Risk [Line Items]
Other liabilities	$ 770
Fixed Maturity Securities AFS and Mortgage Loans
Ceded Credit Risk [Line Items]
Investments	9,500
Ceded Credit Risk, Unsecured [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverables	4,400	3,800
Global Atlantic Financial Group
Ceded Credit Risk [Line Items]
Ceding Commissions, Before Tax	2,200
Separate account assets	5,000
Global Atlantic Financial Group | Ceded Reinsurance [Member]
Ceded Credit Risk [Line Items]
Premiums, reinsurance and other receivables relating to variable interest entities	10,300
Five Largest Ceded Reinsurers [Member]
Ceded Credit Risk [Line Items]
Five largest reinsurers, reinsurance recoverables amount	$ 14,100	$ 4,200
Five largest reinsurers, reinsurance recoverables percentage	84.00%	69.00%
Five Largest Ceded Reinsurers [Member] | Ceded Credit Risk, Unsecured [Member]
Ceded Credit Risk [Line Items]
Five largest reinsurers, reinsurance recoverables amount	$ 2,500	$ 2,300