Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parentheticals)

v2.4.1.9
Consolidated Balance Sheets (Parentheticals) (USD $)
In Millions, except Per Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Allowance for doubtful accounts $ 88us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 91us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Accumulated depreciation $ 878us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment $ 884us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Common stock par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare