Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and equivalents	$ 1,617	$ 1,542
Accounts receivable, net of allowance for doubtful accounts: 2014 - $45; 2013 - $52	990	979
Deferred income taxes	109	108
Prepaid and other current assets	277	307
Total current assets	2,993	2,936
Property and equipment, net of accumulated depreciation: 2014 - $594; 2013 - $617	209	249
Goodwill	1,418	1,412
Other intangible assets, net	1,022	1,033
Asset for pension benefits	230	261
Other non-current assets	185	170
Total assets	6,057	6,061
Current liabilities:
Accounts payable	198	219
Accrued compensation and contributions to retirement plans	292	427
Income taxes currently payable	96	15
Unearned revenue	1,322	1,309
Other current liabilities	344	402
Total current liabilities	2,252	2,372
Long-term debt	799	799
Pension and other postretirement benefits	260	264
Other non-current liabilities	447	472
Total liabilities	3,758	3,907
Redeemable noncontrolling interest (Note 7)	810	810
Commitments and contingencies (Note 11)
Equity:
Common stock	412	412
Additional paid-in capital	382	447
Retained income	7,766	7,384
Accumulated other comprehensive loss	(214)	(196)
Less: common stock in treasury	(6,904)	(6,746)
Total equity — controlling interests	1,442	1,301
Total equity — noncontrolling interests	47	43
Total equity	1,489	1,344
Total liabilities and equity	$ 6,057	$ 6,061