Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,362.0	$ 1,308.0
Marketable securities	2,434.8	2,120.5
Accounts receivable, net	1,293.0	1,227.0
Due from anti-CD20 therapeutic programs	334.1	314.5
Inventory	996.4	893.4
Other current assets	1,027.4	836.9
Total current assets	7,447.7	6,700.3
Marketable securities	3,477.6	2,760.4
Property, plant and equipment, net	2,301.8	2,187.6
Intangible assets, net	3,967.6	4,085.1
Goodwill	3,167.1	2,663.8
Investments and other assets	1,153.0	1,107.6
Total assets	21,514.8	19,504.8
Current liabilities:
Current portion of notes payable and other financing arrangements	4.8	4.8
Taxes payable	212.8	208.7
Accounts payable	225.9	267.4
Accrued expenses and other	2,072.7	2,096.8
Total current liabilities	2,516.2	2,577.7
Notes payable and other financing arrangements	6,538.3	6,521.5
Long-term deferred tax liability	105.6	124.9
Other long-term liabilities	951.0	905.8
Total liabilities	10,111.1	10,129.9
Commitments and contingencies
Biogen Idec Inc. shareholders' equity
Preferred stock, par value $0.001 per share	0.0	0.0
Common stock, par value $0.0005 per share	0.1	0.1
Additional paid-in capital	69.1	0.0
Accumulated other comprehensive loss	(282.8)	(224.0)
Retained earnings	14,229.1	12,208.4
Treasury stock, at cost	(2,611.7)	(2,611.7)
Total Biogen Inc. shareholders’ equity	11,403.8	9,372.8
Noncontrolling interests	(0.1)	2.1
Total equity	11,403.7	9,374.9
Total liabilities and equity	$ 21,514.8	$ 19,504.8