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Segment Information - Reconciliation of Operating Income of Segments to Total Operating Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Impairment, restructuring charges and other related closure costs	$ (45)	$ (93)	$ (65)
Operating income	993	214	109
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	1,056	365	250
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Impairment, restructuring charges and other related closure costs	(45)	(93)	(65)
Unallocated manufacturing results	7	(33)	(69)
Strategic and other research and development programs and other non-allocated provisions	(25)	(25)	(7)
Operating income	$ (63)	$ (151)	$ (141)

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- Definition

Strategic and other research and development programs and other non-allocated provisions benefits.

+ References

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- Definition

Unallocated manufacturing costs.

+ References

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

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- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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