BUSINESS AND BASIS OF PRESENTATION - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($)			1 Months Ended
	Dec. 31, 2022	Apr. 01, 2022	Dec. 31, 2022	Dec. 31, 2023
LIABILITIES
Goodwill	$ 93,000,000		$ 93,000,000	$ 0
Retained Business
LIABILITIES
Goodwill	93,000,000		93,000,000
Ceded Business
LIABILITIES
Goodwill	0		0
PAI
ASSETS
Total investments		$ 10,807,000,000
Cash and cash equivalents		1,578,000,000
Reinsurance recoverables		250,000,000
Net modified coinsurance receivable		68,000,000
Income taxes		255,000,000
Deposit asset		2,596,000,000
Other assets		96,000,000
Separate account assets		29,426,000,000
TOTAL ASSETS		45,076,000,000
LIABILITIES
Insurance liabilities		13,611,000,000
Other liabilities		370,000,000
Separate account liabilities		29,426,000,000
TOTAL LIABILITIES		43,407,000,000
Net assets acquired		1,669,000,000
Consideration	1,762,000,000	1,761,000,000	$ 1,762,000,000
Goodwill		93,000,000
PAI | Retained Business
ASSETS
Total investments		3,900,000,000
Cash and cash equivalents		941,000,000
Reinsurance recoverables		0
Net modified coinsurance receivable		0
Income taxes		255,000,000
Deposit asset		0
Other assets		61,000,000
Separate account assets		26,792,000,000
TOTAL ASSETS		31,949,000,000
LIABILITIES
Insurance liabilities		3,362,000,000
Other liabilities		126,000,000
Separate account liabilities		26,792,000,000
TOTAL LIABILITIES		30,280,000,000
Net assets acquired		1,669,000,000
Consideration	1,762,000,000
Goodwill		93,000,000
PAI | Ceded Business
ASSETS
Total investments		6,907,000,000
Cash and cash equivalents		637,000,000
Reinsurance recoverables		250,000,000
Net modified coinsurance receivable		68,000,000
Income taxes		0
Deposit asset		2,596,000,000
Other assets		35,000,000
Separate account assets		2,634,000,000
TOTAL ASSETS		13,127,000,000
LIABILITIES
Insurance liabilities		10,249,000,000
Other liabilities		244,000,000
Separate account liabilities		2,634,000,000
TOTAL LIABILITIES		13,127,000,000
Net assets acquired		0
Consideration	$ 0
Goodwill		$ 0