INSURANCE LIABILITIES AND ANNUITY BENEFITS - Narrative (Details) $ in Millions	3 Months Ended			9 Months Ended		69 Months Ended
	Sep. 30, 2024 USD ($) loan	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) loan	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) loan	Dec. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Insurance revenues	$ 899		$ 842	$ 2,649	$ 2,480
Net earnings (loss)	$ 1,842		338	$ 4,676	7,857
Percent of portfolio held in office sector	33.30%			33.30%		33.30%
Policyholder account balance	$ 1,612		$ 1,838	$ 1,612	1,838	$ 1,612
Policyholder account balance, surrender, withdrawal and benefit payments				323	318
Policyholder account balance, net additions and interest credited				$ 206	$ 188
Policyholder account balance, crediting rate	3.00%		6.00%	3.00%	6.00%	3.00%
Net premium ratio update, favorable (unfavorable) adjustment				$ (54)	$ (90)
Insufficient gross premiums adjustment				107	298
Capital contributions to insurance subsidiaries		$ 1,820				$ 15,035
Run-off Insurance operations
Disaggregation of Revenue [Line Items]
Insurance revenues	$ 899		$ 842	2,649	2,480
Gross profit (loss)	171		99	541	233
Net earnings (loss)	135		$ 77	427	$ 181
Investment securities	39,103			39,103		39,103	$ 37,592
Limited partnerships	4,030			4,030		4,030	3,300
Run-off Insurance operations | CMBS
Disaggregation of Revenue [Line Items]
Estimated fair value	1,883			1,883		1,883	1,947
Debt securities, allowance for credit losses	$ 45			$ 45		$ 45	$ 48
Number of delinquent loans | loan	2			2		2
Number of nonaccrual loans | loan	1			1		1
Weighted average loan to value ratio	69.00%			69.00%		69.00%
Debt service coverage ratio	1.8			1.8		1.8