INCOME TAXES - (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Taxes
Income tax benefit (expense)	$ (45,000,000)	$ (33,000,000)	$ 30,000,000	$ (53,000,000)
Continued operations pre-tax earnings	214,000,000	152,000,000	299,000,000	236,000,000
Reduction in deferred tax asset valuation allowance			88,000,000
Decrease in estimated liabilities for uncertain tax positions, net of related deferred tax effects			0
Unrecognized tax benefits	31,000,000		31,000,000
Unrecognized tax benefits which, if recognized, would impact effective tax rate	29,000,000		29,000,000
Interest and penalties related to accrued liabilities for uncertain tax positions, recognized	0		0
Unrecognized federal and state tax benefits and reserves for interest and penalties, which may decrease in the next 12 months	0		0
Continuing operations:
Income Taxes
Income tax benefit (expense)	$ (45,000,000)	$ (33,000,000)	$ 30,000,000	$ (53,000,000)