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Segment Information (Segment and Geographic Information) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Revenue, Major Customer [Line Items] |  |
Total revenues | $ 5,903.9 | $ 5,958.9
Operating Income | 1,780.3 | 1,385.5
U.S. |  |
Revenue, Major Customer [Line Items] |  |
Total revenues | 2,019.9 | 1,978.1
Operating Income | 840.2 | 731.8
International Lead Markets |  |
Revenue, Major Customer [Line Items] |  |
Total revenues | 1,728.5 | 1,790.8
Operating Income | 654.2 | 583.5
High Growth Markets |  |
Revenue, Major Customer [Line Items] |  |
Total revenues | 1,442.2 | 1,456.3
Operating Income | 220.9 | 123.1
Foundational Markets and Corporate |  |
Revenue, Major Customer [Line Items] |  |
Total revenues | 713.3 | 733.7
Operating Income | $ 65.0 | $ (52.9)

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