EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings per share — Basic:
Earnings (loss) from continuing operations	$ (18)	$ 240	$ 122	$ 416
Less: Distributed and undistributed earnings allocated to unvested stock	0	(1)	(1)	(2)
Earnings (loss) from continuing operations available to common shareholders	$ (18)	$ 239	$ 121	$ 414
Weighted average common shares outstanding - Basic (in shares)	45,975	49,852	46,176	50,474
Earnings (loss) from continuing operations per common share — Basic (in dollars per share)	$ (0.39)	$ 4.80	$ 2.64	$ 8.20
Earnings per share — Diluted:
Earnings (loss) from continuing operations	$ (18)	$ 240	$ 122	$ 416
Less: Distributed and undistributed earnings allocated to unvested stock	0	0	0	0
Earnings (loss) from continuing operations available to common shareholders — Diluted	$ (18)	$ 240	$ 122	$ 416
Weighted average common shares outstanding - Basic (in shares)	45,975	49,852	46,176	50,474
Effect of dilutive equity awards (in shares)	0	1,073	980	1,226
Weighted average common shares outstanding — Diluted (in shares)	45,975	50,925	47,156	51,700
Earnings (loss) from continuing operations per common share - Diluted (in dollars per share)	$ (0.39)	$ 4.72	$ 2.60	$ 8.05
Anti-dilutive equity awards not included in diluted EPS (in shares)	2,531	1,068	1,579	765