QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 963	$ 978	$ 967	$ 922	$ 966	$ 960	$ 950	$ 917	$ 1,889	$ 2,867	$ 3,830	$ 3,793	$ 3,692
Gross margin	181	271	276	234	263	281	224	210
Income (loss) from operations	(130)	71	67	29	58	55	24	(1)	96	167	37	136	26
Income from continuing operations	(258)	(222)	(41)	(65)	(12)	(38)	(57)	(96)	(106)	(328)	(586)	(203)	(337)
Income (loss) from discontinued operations, net of tax	(61)	94	57	73	(6)	107	100	61	130	224	163	262	435
Net income (loss)	(319)	(128)	16	8	(18)	69	43	(35)	24	(104)	(423)	59	98
Total reclassifications, net of tax	$ (322)	$ (133)	$ 13	$ 3	$ (20)	$ 65	$ 37	$ (38)	$ 16	$ (117)	$ (439)	$ 44	$ 81
Basic and diluted earnings (loss) per share:
Continuing operations. basic (in dollars per share)	$ (1.85)	$ (1.60)	$ (0.32)	$ (0.49)	$ (0.12)	$ (0.31)	$ (0.46)	$ (0.72)	$ (0.81)	$ (2.41)	$ (4.28)	$ (1.60)	$ (2.69)
Discontinued operations, basic (in dollars per share)	(0.43)	0.66	0.41	0.51	(0.03)	0.78	0.73	0.44	0.92	1.58
Net income attributable to common shareholders, basic (in dollars per share)	(2.28)	(0.94)	0.09	0.02	(0.15)	0.47	0.27	(0.28)	0.11	(0.83)	(3.12)	0.32	0.62
Diluted earnings (loss) per share:
From continuing operations (in dollars per share)	(1.85)	(1.60)	(0.32)	(0.49)	(0.12)	(0.31)	(0.46)	(0.72)	(0.81)	(2.41)	(4.28)	(1.60)	(2.69)
From discontinued operations (in dollars per share)	(0.43)	0.66	0.41	0.51	(0.03)	0.78	0.73	0.44			1.16	1.92	3.31
Diluted (in dollars per share)	$ (2.28)	$ (0.94)	$ 0.09	$ 0.02	$ (0.15)	$ 0.47	$ 0.27	$ (0.28)	$ 0.11	$ (0.83)	$ (3.12)	$ 0.32	$ 0.62