Reinsurance (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Reinsurance Disclosures [Abstract]
Deposit assets in premiums, reinsurance, and other receivables or secondary guarantee risk for reinsurance	$ 4,600	$ 5,100
Deposit liabilities in other liabilities for reinsurance	1,200	1,300
Ceded Credit Risk [Line Items]
Reinsurance recoverables	17,600	16,700
Other liabilities	36,843	35,805
Investments	441,364	446,137
Separate account assets	139,504	144,634
Premiums, reinsurance and other receivables relating to variable interest entities	29,761	28,971
Ceded Reinsurance [Member]
Ceded Credit Risk [Line Items]
Other liabilities	8,258	6,788
Premiums, reinsurance and other receivables relating to variable interest entities	$ 21,833	21,522
Modified Coinsurance of Closed Block [Member]
Ceded Credit Risk [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	4,200	4,400
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	$ 14,700	$ 14,100
Five largest reinsurers, reinsurance recoverables percentage	84.00%	84.00%
Five Largest Ceded Reinsurers [Member] | Ceded Credit Risk, Unsecured [Member]
Ceded Credit Risk [Line Items]
Five largest reinsurers, reinsurance recoverables amount	$ 2,400	$ 2,500