REVISION OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Statements of Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 231	$ 647	$ 781
Net income (loss)	1,191	(88)	(85)
Other comprehensive income (loss)	(313)	(479)	(95)
Balance at end of period	2,160	231	647
Retained Earnings (Accumulated Deficit)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(222)	(134)	(50)
Net income (loss)	1,191	(88)	(85)
Balance at end of period	969	(222)	(134)
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(381)	98	136
Other comprehensive income (loss)	(313)	(479)	(95)
Balance at end of period	(694)	(381)	98
As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	232
Net income (loss)		(86)
Other comprehensive income (loss)		(480)
Balance at end of period		232
As Previously Reported | Retained Earnings (Accumulated Deficit)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(220)	(134)
Net income (loss)		(86)
Balance at end of period		(220)	(134)
As Previously Reported | Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(382)	98
Other comprehensive income (loss)		(480)
Balance at end of period		(382)	98
Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(1)
Net income (loss)		(2)
Other comprehensive income (loss)		1
Balance at end of period		(1)
Adjustments | Retained Earnings (Accumulated Deficit)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(2)	0
Net income (loss)		(2)
Balance at end of period		(2)	0
Adjustments | Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 1	0
Other comprehensive income (loss)		1
Balance at end of period		$ 1	$ 0