Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 420.1	$ 371.9	$ 803.0	$ 720.8
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	23.2	(0.3)	(17.6)	1.2
Change in unrealized losses on cash flow hedges, net of taxes	6.9	55.5	49.1	162.5
Change in unrealized gains and losses on available-for-sale securities, net of taxes	(1.3)	0.6	1.1	1.1
Other comprehensive income (loss)	28.8	55.8	32.6	164.8
Comprehensive income	$ 448.9	$ 427.7	$ 835.6	$ 885.6