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Consolidated Statements of Income (Loss) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue	$ 2,126	$ 2,154	$ 6,198	$ 6,055
Cost of revenue	1,975	1,761	5,729	5,020
Gross profit	151	393	469	1,035
Selling, general and administrative	293	320	1,014	911
Goodwill and indefinite-lived intangible asset impairment			3,186
Long-lived asset impairment	12		2,199
Operating profit (loss)	(154)	73	(5,930)	124
Interest and financial costs	(25)	(24)	(75)	(71)
Interest income	4	6	16	18
Equity loss in unconsolidated affiliates	(4)	(2)	(6)	(1)
Other income (expense), net	(10)	(20)	(36)	(70)
Income (loss) before income taxes	(189)	33	(6,031)
Provision (benefit) for income taxes	60	29	(323)	37
Net income (loss)	(249)	4	(5,708)	(37)
Net income (loss) attributable to noncontrolling interests	(5)	3	2	6
Net income (loss) attributable to Company	$ (244)	$ 1	$ (5,710)	$ (43)
Net income (loss) attributable to Company per share:
Basic	$ (0.64)	$ 0.00	$ (14.95)	$ (0.11)
Diluted	(0.64)	0.00	(14.95)	(0.11)
Cash dividends per share	$ 0.05	$ 0.05	$ 0.15	$ 0.15
Weighted average shares outstanding:
Basic	382	379	382	378
Diluted	382	383	382	378

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