Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Supplemental Cash Flow Information [Abstract]
Cash Paid For Interest	$ 437.6	$ 435.9	$ 215.1
Cash Paid For Income Taxes	476.6	585.7	226.3
Non-cash Activities [Abstract]
Fair value of assets of acquired businesses	736.5	19,623.9
Cash paid for acquired businesses	(699.9)	(13,534.6)
Liabilities assumed of acquired businesses	36.6	6,089.3
Fair value of available-for-sale investments contributed to defined benefit plans			27.1
Declared but unpaid dividends	61.3	61.9	55.8
Issuance of stock upon vesting of restricted stock units	$ 131.0	$ 110.0	$ 64.2