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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES - Our operating lease commitments (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Operating Leased Assets [Line Items]  
Operating lease commitment due 2015 $ 28us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
Operating lease commitment due 2016 21us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
Operating lease commitment due 2017 20us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
Operating lease commitment due 2018 16us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
Operating lease commitment due 2019 12us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Operating lease commitment due Thereafter $ 107us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter