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Segment Information - Reconciliation of Operating Income of Segments to Total Operating Income (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Impairment, restructuring charges and other related closure costs | $ (21) | $ (45) | $ (93)
Operating income | 1,400 | 1,005 | 227
Operating Segments [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Operating income | 1,466 | 1,060 | 374
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 | (21) | (45) | (93)
Unallocated manufacturing results | 1 | 7 | (33)
Strategic and other research and development programs and other non-allocated provisions | (46) | (17) | (21)
Operating income | $ (66) | $ (55) | $ (147)

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- Definition Strategic and other research and development programs and other non-allocated provisions benefits. + References No definition available. + Details
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- Definition Unallocated manufacturing costs. + References No definition available. + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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