CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,384.8	$ 1,467.7
Marketable securities	1,493.1	1,342.2
Accounts receivable - trade, net	2,027.7	1,723.7
Accounts receivable from Sanofi	345.4	226.4
Accounts receivable from Bayer	286.9	293.1
Inventories	1,344.3	1,151.2
Prepaid expenses and other current assets	226.9	243.3
Total current assets	7,109.1	6,447.6
Marketable securities	3,112.6	1,755.0
Property, plant, and equipment, net	2,771.4	2,575.8
Deferred tax assets	808.3	828.7
Other noncurrent assets	137.9	127.4
Total assets	13,939.3	11,734.5
Current liabilities:
Accounts payable	335.6	218.2
Accrued expenses and other current liabilities	821.1	772.1
Total current liabilities	1,765.4	1,442.8
Finance lease liabilities	712.7
Finance lease liabilities		708.5
Other noncurrent liabilities	273.0	361.7
Total liabilities	3,434.9	2,977.2
Stockholders' equity:
Preferred Stock, $.01 par value; 30,000,000 shares authorized; issued and outstanding - none	0.0	0.0
Additional paid-in capital	4,388.4	3,911.6
Retained earnings	6,587.8	5,254.3
Accumulated other comprehensive income (loss)	16.5	(12.3)
Treasury Stock, at cost; 4,167,018 shares in 2019 and 3,990,021 shares in 2018	(488.4)	(396.4)
Total stockholders' equity	10,504.4	8,757.3
Total liabilities and stockholders' equity	13,939.3	11,734.5
Class A Stock
Stockholders' equity:
Common stock	0.0	0.0
Total stockholders' equity	0.0	0.0
Common Stock
Stockholders' equity:
Common stock	0.1	0.1
Total stockholders' equity	0.1	0.1
Sanofi
Current liabilities:
Deferred revenue, current	427.1	246.7
Deferred revenue, noncurrent	551.9	279.3
Other
Current liabilities:
Deferred revenue, current	181.6	205.8
Deferred revenue, noncurrent	$ 131.9	$ 184.9