Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 329	$ 400
Trade accounts receivable, net	730	751
Deferred income taxes	45	55
Prepaid expenses and other current assets	421	366
Total current assets	1,525	1,572
Property and equipment, net	300	266
Intangible assets, net	2,070	2,142
Goodwill	5,217	5,216
Other long-term assets	291	317
Total assets	9,403	9,513
Liabilities and Shareholders' Equity
Accounts payable and accrued expenses	834	756
Current maturities of long-term debt	92	92
Deferred revenue	442	484
Total current liabilities	1,368	1,332
Long-term debt	3,756	3,756
Deferred income taxes	680	713
Other long-term liabilities	124	127
Total liabilities	5,928	5,928
Commitments and contingencies
Shareholders' equity:
Preferred stock, no par value: 25.0 million shares authorized; none issued	0	0
Common stock, $0.01 par value: 900.0 million shares authorized; 395.7 million shares issued	4	4
Additional paid-in capital	866	844
Accumulated other comprehensive loss	(49)	(60)
Retained earnings	6,932	6,598
Treasury stock, at cost, 146.6 million and 139.0 million shares	(4,278)	(3,801)
Total shareholders' equity	3,475	3,585
Total liabilities and shareholders' equity	$ 9,403	$ 9,513