CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 390	$ (548)	$ (118)
Net income (loss) from continuing operations	(51)	45	20
Derivative financial instruments unrealized gain (loss), net of tax	14	(6)	(11)
Total other comprehensive (loss) income from continuing operations	(37)	39	9
Other Comprehensive Income Loss Discontinued Operations, Net Of Tax	(6)	35	(1)
Total comprehensive income (loss)	347	(474)	(110)
Less: comprehensive income attributable to noncontrolling interest		(21)	(12)
Comprehensive (loss) income attributable to SGC	$ 328	$ (495)	$ (122)