CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 4,121.6	$ 3,234.4
Marketable securities available for sale	3,425.1	2,452.6
Accounts receivable, net of allowances of $32.1 and $40.0 at December 31, 2014 and 2013, respectively	1,166.7	1,061.4
Inventory	393.1	340.4
Deferred income taxes	11.7	25.3
Other current assets	594.4	436.4
Total current assets	9,712.6	7,550.5
Property, plant and equipment, net	642.6	593.4
Intangible assets, net	4,067.6	2,839.7
Goodwill	2,191.2	2,041.2
Other assets	726.1	353.4
Total assets	17,340.1	13,378.2
Current liabilities:
Short-term borrowings and current portion of long-term debt	605.9	544.8
Accounts payable	198.2	156.2
Accrued expenses	991.1	1,001.1
Income taxes payable	12.7	16.0
Current portion of deferred revenue	28.5	27.7
Other current liabilities	275.8	199.7
Total current liabilities	2,112.2	1,945.5
Deferred revenue, net of current portion	27.8	23.7
Income taxes payable	272.9	235.0
Deferred income taxes	555.6	804.9
Other non-current liabilities	1,581.1	582.7
Long-term debt, net of discount	6,265.7	4,196.5
Total liabilities	10,815.3	7,788.3
Commitments and Contingencies (Note 18)
Stockholders' Equity:
Preferred stock, $.01 par value per share, 5.0 million shares authorized; none outstanding at December 31, 2014 and 2013, respectively	0	0
Common stock, $.01 par value per share, 1,150.0 million shares authorized; issued 924.8 million and 906.5 million shares at December 31, 2014 and 2013, respectively (Note 1)	9.2	9.1
Common stock in treasury, at cost; 124.6 million and 101.5 million shares at December 31, 2014 and 2013, respectively (Note 1)	(10,698.8)	(7,662.1)
Additional paid-in capital	9,827.2	8,676.4
Retained earnings	6,472.4	4,472.5
Accumulated other comprehensive income	914.8	94.0
Total stockholders' equity	6,524.8	5,589.9
Total liabilities and stockholders' equity	$ 17,340.1	$ 13,378.2