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Schedule of Intangible Assets (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 574 | $ 531 |
Accumulated Amortization | 277 | 211 |
Net Carrying Amount | 297 | 320 |
Goodwill | 1,073 | 1,007 | $ 973
Licensing Agreements [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 281 | 261 |
Accumulated Amortization | 140 | 109 |
Net Carrying Amount | 141 | 152 |
Customer Relationships [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 242 | 224 |
Accumulated Amortization | 119 | 90 |
Net Carrying Amount | 123 | 134 |
Other Intangible Assets [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 51 | 46 |
Accumulated Amortization | 18 | 12 |
Net Carrying Amount | 33 | 34 |
Goodwill |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | 1,073 | 1,007 |
Trademarks |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Trademarks | 553 | $ 550 |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 2 |  |
Minimum [Member] | Licensing Agreements [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 0 years |  |
Minimum [Member] | Customer Relationships [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 3 years |  |
Minimum [Member] | Other Intangible Assets [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 4 years |  |
Maximum | Licensing Agreements [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 40 years |  |
Maximum | Customer Relationships [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 20 years |  |
Maximum | Other Intangible Assets [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 10 years |  |
Weighted Average [Member] | Licensing Agreements [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 18 years |  |
Weighted Average [Member] | Customer Relationships [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 12 years |  |
Weighted Average [Member] | Other Intangible Assets [Member] |  |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 9 years |  |

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