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Goodwill and Other Intangible Assets, Net - Schedule of Other Intangible Assets and Related Amortization Periods (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2018
Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | $ 10,829.6 | $ 6,298.6
Accumulated Amortization | (630.0) | (719.0)
Intangible assets, Net Book value | 10,199.6 | 5,579.6
Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Indefinite life, Net Book Value | 8,563.6 | 4,093.0
Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 190.7 | 170.5
Accumulated Amortization | (35.7) | (36.5)
Net Book Value | $ 155.0 | 134.0
Trade Names [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 2 years |
Trade Names [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 15 years |
Capitalized Software [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 485.8 | 520.0
Accumulated Amortization | (302.9) | (348.1)
Net Book Value | $ 182.9 | 171.9
Capitalized Software [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 3 years |
Capitalized Software [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 12 years |
Patents and Intellectual Property [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 152.0 | 136.4
Accumulated Amortization | (81.4) | (79.2)
Net Book Value | $ 70.6 | 57.2
Patents and Intellectual Property [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 3 years |
Patents and Intellectual Property [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 14 years |
Customer Relationships & Distributor Channels [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,324.7 | 1,269.7
Accumulated Amortization | (159.6) | (180.9)
Net Book Value | $ 1,165.1 | 1,088.8
Customer Relationships & Distributor Channels [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 3 years |
Customer Relationships & Distributor Channels [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 30 years |
Other [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 112.8 | 109.0
Accumulated Amortization | (50.4) | (74.3)
Net Book Value | $ 62.4 | $ 34.7
Other [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 3 years |
Other [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 5 years |

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