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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, 2016 | Dec. 31, 2017
Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | $ 14,718.9 | $ 15,227.2
Accumulated Amortization | (607.1) | (991.2)
Intangible assets, Net Book value | 14,111.8 | 14,236.0
Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Indefinite life, Net Book Value | 9,935.1 | 10,210.8
Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 286.3 | 366.9
Accumulated Amortization | (34.2) | (58.5)
Net Book Value | $ 252.1 | 308.4
Trade Names [Member] | Minimum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 3 years |
Trade Names [Member] | Maximum [Member] |  |
Intangible Assets [Line Items] |  |
Amortization periods | 30 years |
Capitalized Software [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 482.0 | 558.6
Accumulated Amortization | (252.9) | (349.6)
Net Book Value | $ 229.1 | 209.0
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 | $ 227.9 | 252.1
Accumulated Amortization | (105.0) | (142.8)
Net Book Value | $ 122.9 | 109.3
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 | $ 3,761.7 | 3,703.2
Accumulated Amortization | (204.0) | (377.8)
Net Book Value | $ 3,557.7 | 3,325.4
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 | $ 25.9 | 135.6
Accumulated Amortization | (11.0) | (62.5)
Net Book Value | $ 14.9 | $ 73.1
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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