CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total revenue	$ 539	$ 432	$ 1,572	$ 1,219
Selling, general and administrative	164	146	502	459
Research and development	47	36	140	110
Depreciation, amortization and impairments	96	111	289	336
Goodwill impairment	0	0	0	54
Restructuring and other	45	17	96	48
Total interest expense which reflects the effects of cash flow hedges	(120)	(131)	(360)	(379)
Gain (loss) on remeasurement of debt	12	(24)	30	(26)
Other Nonoperating Income (Expense)	2	2	22	(8)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent			329	193
Net income (loss) from continuing operations	$ 187	$ (111)	291	(464)
Net loss			$ 276	$ (479)
Net income (loss) from discontinued operations (in dollars per share)	$ 0.90	$ 0.80	$ 3.43	$ 2.05
Net income (loss) from continuing operations (in dollars per share)	0.96	(2.03)	(0.55)	(7.14)
Net income (loss) from discontinued operations (in dollars per share)	0.88	0.80	3.43	2.05
Net income (loss) attributable to SGC (in dollars per share)	$ 1.84	$ (1.23)	$ 2.88	$ (5.09)
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 100	$ (187)	$ (38)	$ (657)
Noncontrolling Interest
Less: comprehensive income attributable to noncontrolling interest	5	6	15	15
Accumulated Loss
Net income (loss) from continuing operations	182
Net loss	182	(117)
Services
Total revenue	408	337	1,216	919
Cost of Goods and Services Sold	90	86	273	250
Product sales
Total revenue	131	95	356	300
Cost of Goods and Services Sold	$ 63	$ 66	$ 166	$ 197