Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 5,620.1	$ 523.7
Restricted cash and investments	17.8	16.3
Receivables, net	1,915.7	1,720.9
Inventories	374.4	382.4
Prepaid expenses	68.7	177.6
Deferred taxes	45.8	86.0
Other current assets	15.5	34.4
Total current assets	8,058.0	2,941.3
Property and equipment, net	416.2	372.7
Goodwill	5,485.7	5,486.2
Other intangible assets, net	1,620.9	1,725.0
Other assets	26.2	32.6
Total assets	15,607.0	10,557.8
Current liabilities:
Claims and rebates payable	2,874.1	2,666.5
Accounts payable	928.1	656.7
Accrued expenses	656.0	593.9
Current maturities of long-term debt	999.9	0.1
Total current liabilities	5,458.1	3,917.2
Long-term debt	7,076.4	2,493.7
Other liabilities	598.8	540.3
Total liabilities	13,133.3	6,951.2
Commitments and contingencies (Note 11)
Stockholders' Equity:
Preferred stock, 5,000,000 shares authorized, $0.01 par value per share; and no shares issued and outstanding
Common stock, 1,000,000,000 shares authorized, $0.01 par value; shares issued: 690,650,000 and 690,231,000, respectively; shares outstanding: 484,582,000 and 528,069,000, respectively	6.9	6.9
Additional paid-in capital	2,438.2	2,354.4
Accumulated other comprehensive income	17.0	19.8
Retained earnings	6,645.6	5,369.8
Stockholders' equity before treasury stock	9,107.7	7,750.9
Common stock in treasury at cost, 206,068,000 and 162,162,000 shares, respectively	(6,634.0)	(4,144.3)
Total stockholders' equity	2,473.7	3,606.6
Total liabilities and stockholders' equity	$ 15,607.0	$ 10,557.8