EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Calculation of basic and diluted earnings per common share from continuing operations
Earnings from continuing operations	$ 406	$ 863	$ 522
Less: Distributed and undistributed earnings allocated to unvested stock	(2)	(5)	(2)
Earnings from continuing operations available to common shareholders	$ 404	$ 858	$ 520
Weighted average common shares outstanding— Basic (in shares)	45,383	49,549	52,338
Earnings from continuing operations per common share — Basic (in dollars per share)	$ 8.89	$ 17.32	$ 9.92
Earnings from continuing operations	$ 406	$ 863	$ 522
Less: Distributed and undistributed earnings allocated to unvested stock	0	0	(2)
Earnings from continuing operations available to common shareholders — Diluted	$ 406	$ 863	$ 520
Weighted average common shares outstanding— Basic (in shares)	45,383	49,549	52,338
Effect of dilutive equity awards (in shares)	1,104	1,337	1,170
Weighted average common shares outstanding— Diluted (in shares)	46,486	50,887	53,508
Earnings from continuing operations per common share - Diluted (in dollars per share)	$ 8.73	$ 16.96	$ 9.70
Anti-dilutive equity awards not included in diluted EPS (in shares)	825	662	682