Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and equivalents	$ 1,176	$ 2,497
Accounts receivable, net of allowance for doubtful accounts: $38 in 2015 and 2014	992us-gaap_AccountsReceivableNetCurrent	932us-gaap_AccountsReceivableNetCurrent
Deferred income taxes	329us-gaap_DeferredTaxAssetsNetCurrent	363us-gaap_DeferredTaxAssetsNetCurrent
Prepaid and other current assets	191	174
Total current assets	2,688us-gaap_AssetsCurrent	3,966us-gaap_AssetsCurrent
Property and equipment, net of accumulated depreciation: 2015 - $569; 2014 - $563	200us-gaap_PropertyPlantAndEquipmentNet	206us-gaap_PropertyPlantAndEquipmentNet
Goodwill	1,365us-gaap_Goodwill	1,387us-gaap_Goodwill
Other intangible assets, net	986	1,004
Other non-current assets	209us-gaap_OtherAssetsNoncurrent	208us-gaap_OtherAssetsNoncurrent
Total assets	5,448us-gaap_Assets	6,771us-gaap_Assets
Current liabilities:
Accounts payable	181us-gaap_AccountsPayableCurrent	191us-gaap_AccountsPayableCurrent
Short-term debt	365us-gaap_ShortTermBorrowings	0us-gaap_ShortTermBorrowings
Accrued compensation and contributions to retirement plans	201	410
Unearned revenue	1,356us-gaap_DeferredRevenueCurrent	1,323us-gaap_DeferredRevenueCurrent
Accrued legal and regulatory settlements (Note 11)	68us-gaap_AccruedProfessionalFeesCurrent	1,609us-gaap_AccruedProfessionalFeesCurrent
Other current liabilities	408us-gaap_OtherLiabilitiesCurrent	434us-gaap_OtherLiabilitiesCurrent
Total current liabilities	2,579us-gaap_LiabilitiesCurrent	3,967us-gaap_LiabilitiesCurrent
Long-term debt	799us-gaap_LongTermDebtNoncurrent	799us-gaap_LongTermDebtNoncurrent
Pension and other postretirement benefits	319	333
Other non-current liabilities	352us-gaap_OtherLiabilitiesNoncurrent	323us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	4,049us-gaap_Liabilities	5,422us-gaap_Liabilities
Redeemable noncontrolling interest (Note 7)	810	810
Commitments and contingencies (Note 11)
Equity:
Common stock	412us-gaap_CommonStockValue	412us-gaap_CommonStockValue
Additional paid-in capital	421	493
Retained income	7,166	6,946
Accumulated other comprehensive loss	(593)	(514)
Less: common stock in treasury	(6,867)us-gaap_TreasuryStockValue	(6,849)us-gaap_TreasuryStockValue
Total equity — controlling interests	539us-gaap_StockholdersEquity	488us-gaap_StockholdersEquity
Total equity — noncontrolling interests	50us-gaap_MinorityInterest	51us-gaap_MinorityInterest
Total equity	589	539
Total liabilities and equity	$ 5,448	$ 6,771

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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