Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 337	$ 563
Trade accounts receivable, less allowance for doubtful accounts	666	572
Deferred income taxes	44	37
Prepaid expenses and other current assets	309	245
Total current assets	1,356	1,417
Property and equipment, net	258	267
Intangible assets, net	1,881	1,879
Goodwill	4,720	4,377
Other long-term assets	333	341
Total assets	8,548	8,281
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable and accrued expenses	836	537
Current maturities of long-term debt	179	3
Deferred revenue	369	351
Total current liabilities	1,384	891
Long-term debt	3,216	3,353
Deferred income taxes	617	627
Other long-term liabilities	73	181
Total liabilities	5,290	5,052
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Preferred stock, no par value: 25.0 million shares authorized; none issued
Common stock, $0.01 par value: 450.0 million shares authorized; 197.9 million shares issued	2	2
Additional paid-in capital	777	750
Accumulated other comprehensive loss	(78)	(50)
Retained earnings	5,339	4,867
Treasury stock, at cost, 57.8 million and 51.0 million shares	(2,782)	(2,340)
Total shareholders' equity	3,258	3,229
Total liabilities and shareholders' equity	$ 8,548	$ 8,281