Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,441	$ 2,497
Accounts receivable, net of allowance for doubtful accounts: 2015 - $35; 2014 - $38	986	932
Deferred income taxes	203	363
Prepaid and other current assets	206	174
Total current assets	2,836	3,966
Property and equipment, net of accumulated depreciation: 2015 - $600; 2014 - $563	237	206
Goodwill	2,968	1,387
Other intangible assets, net	1,881	1,004
Other non-current assets	241	208
Total assets	8,163	6,771
Current liabilities:
Accounts payable	211	191
Accrued compensation and contributions to retirement plans	320	410
Unearned revenue	1,453	1,323
Accrued legal and regulatory settlements (Note 11)	104	1,609
Other current liabilities	417	434
Total current liabilities	2,505	3,967
Long-term debt	3,489	799
Pension and other postretirement benefits	278	333
Other non-current liabilities	377	323
Total liabilities	6,649	5,422
Redeemable noncontrolling interest (Note 7)	$ 810	$ 810
Commitments and contingencies (Note 11)
Equity:
Common stock	$ 412	$ 412
Additional paid-in capital	441	493
Retained income	7,592	6,946
Accumulated other comprehensive loss	(553)	(514)
Less: common stock in treasury	(7,234)	(6,849)
Total equity — controlling interests	658	488
Total equity — noncontrolling interests	46	51
Total equity	704	539
Total liabilities and equity	$ 8,163	$ 6,771