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Quarterly Financial Data (Unaudited) - Summarized Quarterly Results (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 1,692	$ 1,646	$ 1,724	$ 2,189	$ 2,722	$ 3,306	$ 3,909	$ 4,820	$ 7,251	$ 14,757	$ 21,440
Gross profit (loss)	(459)	79	35	244	359	672	855	1,177	(101)	3,063	5,809
Net income (loss) attributable to Company	$ (714)	$ (1,362)	$ (217)	$ (119)	$ (1,523)	$ 155	$ 289	$ 310	$ (2,412)	$ (769)	$ 2,502
Net income (loss) attributable to Company per basic share	$ (1.90)	$ (3.62)	$ (0.58)	$ (0.32)	$ (4.06)	$ 0.41	$ 0.75	$ 0.76	$ (6.41)	$ (1.99)	$ 5.85
Net income (loss) attributable to Company per diluted share	(1.90)	(3.62)	(0.58)	(0.32)	(4.06)	0.41	0.74	0.76	(6.41)	(1.99)	5.82
Cash dividends per share	$ 0.05	$ 0.05	$ 0.05	$ 0.46	$ 0.46	$ 0.46	$ 0.46	$ 0.46	$ 0.61	$ 1.84	$ 1.64

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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