Summary of Debt Obligations (Table Footnotes) (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Debt Disclosure [Line Items]
Liabilities of businesses held for sale	$ 694.8	$ 0.0
2016	77.2
2017	1,756.0
2018	3,932.7
2019	2,395.8
2020	1,555.2
Thereafter	16,348.8
Reclassification to Long Term Debt	2,500.0
Amounts outstanding	25,955.7	$ 24,122.1
China and Hong Kong Held for Sale
Debt Disclosure [Line Items]
Liabilities of businesses held for sale	$ 297.0

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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