CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Revenue:
Total revenue	$ 3,400		$ 3,363	$ 3,084
Operating expenses:
Cost of revenues	1,284		1,255	1,164
Selling, general and administrative	707		697	613
Research and development	188		202	184
Depreciation, amortization and impairments	647		690	683
Restructuring and other	28		253	46
Operating income	546		266	394
Other (expense) income:
Interest expense	(589)		(597)	(610)
Earnings from equity investments	24		25	27
Loss on debt financing transactions	(100)		(93)	(38)
Gain on remeasurement of debt	9		43	0
Other income, net	2		17	0
Total other expense, net	(654)		(605)	(621)
Net (loss) income before income taxes	(108)		(339)	(227)
Income tax expense	(10)		(13)	(15)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(118)		(352)	(242)
Net (loss) income attributable to SGC	(130)		(352)	(242)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	12		0	0
Other comprehensive loss:
Foreign currency translation (loss) gain, net of tax	26		(99)	127
Pension and post-retirement (loss) gain, net of tax	(7)		(1)	3
Other comprehensive (loss) income	8		(100)	134
Comprehensive (loss) income attributable to SGC	$ 122		$ 452	$ 108
Basic and diluted net loss attributable to SGC per share:
Basic (in dollars per share)	$ (1.40)		$ (3.87)	$ (2.72)
Earnings Per Share, Diluted	$ (1.40)		$ (3.87)	$ (2.72)
Weighted average number of shares used in per share calculations:
Basic shares (in shares)	93		91	89
Weighted Average Number of Shares Outstanding, Diluted	93		91	89
Services
Revenue:
Total revenue	$ 1,819		$ 1,777	$ 1,523
Operating expenses:
Cost of revenues	538	[1]	505	417
Product sales
Revenue:
Total revenue	994		994	979
Operating expenses:
Cost of revenues	457	[1]	466	465
Instant products
Revenue:
Total revenue	587		592	582
Operating expenses:
Cost of revenues	$ 289	[1]	$ 284	$ 282

[1] Exclusive of D&A.