EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Income from continuing operations	$ 12	$ 263	$ 224	$ 531
Income (loss) from discontinued operations, net of income taxes		11	(1)	29
Net income	$ 12	$ 274	$ 223	$ 560
Denominator:
Basic: Weighted average common stock	49.8	49.7	49.8	49.7
Weighted average effect of dilutive securities:
Add: net effect of dilutive unvested restricted stock awards (in shares)	0.1	0.3	0.2	0.2
Diluted (in shares)	49.9	50.0	50.0	49.9
Basic EPS:
Income (loss) from continuing operations (in dollars per share)	$ 0.25	$ 5.29	$ 4.48	$ 10.68
(Loss) income from discontinued operations		0.21	(0.01)	0.58
Net income per share (in dollars per share)	0.25	5.50	4.47	11.26
Diluted EPS:
Income from continuing operations (in dollars per share)	0.25	5.25	4.47	10.63
Income (loss) from discontinued operations (in dollars per share)		0.22	(0.01)	0.58
Net income per share (in dollars per share)	$ 0.25	$ 5.47	$ 4.46	$ 11.21