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Intangibles, Net - Identified Intangible Assets by Major Classification (Detail) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 232 | $ 237
Accumulated Amortization | (88) | (71)
Net Book Value | 144 | 166
Trademarks and Patents [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 103 | 104
Accumulated Amortization | (31) | (26)
Net Book Value | 72 | 78
Customer Relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 118 | 122
Accumulated Amortization | (46) | (35)
Net Book Value | 72 | 87
Other [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 11 | 11
Accumulated Amortization | $ (11) | (10)
Net Book Value |  | $ 1

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