Components of Provision for Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current provision:
Federal	$ 191.4	$ 126.2	$ 0.4
State	20.9	31.5	20.5
Foreign	214.1	207.9	219.6
Current Income Tax Expense (Benefit), Total	426.4	365.6	240.5
Deferred provision:
Federal	68.8	134.4	207.8
State	18.4	9.5	3.4
Foreign	10.1	7.8	12.9
Deferred taxes	97.3	151.7	224.1
Income taxes	$ 523.7	$ 517.3	$ 464.6