XML 94 R98.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes Deferred Tax Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets:    
Accrued pension and other postretirement benefits $ 155us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions $ 104us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
Other accrued liabilities 130us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther 59us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
Accrued environmental remediation liabilities 94us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies 95us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies
Investment in partnerships 81us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries 134us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries
Stock-based compensation 60us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 65us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Asset retirement obligations 12us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations 12us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
Other 10us-gaap_DeferredTaxAssetsOther 21us-gaap_DeferredTaxAssetsOther
Tax credit carryforwards 8us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 11us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Total deferred tax assets 550us-gaap_DeferredTaxAssetsGross 501us-gaap_DeferredTaxAssetsGross
Less: valuation allowance (8)us-gaap_DeferredTaxAssetsValuationAllowance (8)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred tax assets, net 542us-gaap_DeferredTaxAssetsNet 493us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:    
Accelerated depreciation and property related items 1,198us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment 1,126us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Deferred maintenance costs, including refinery turnarounds 204us-gaap_DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts 200us-gaap_DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts
Inventory 131us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts 50us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts
Other 79us-gaap_DeferredTaxLiabilitiesOther 3us-gaap_DeferredTaxLiabilitiesOther
Amortization of intangible assets 64us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets 68us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Total deferred tax liabilities 1,676us-gaap_DeferredIncomeTaxLiabilities 1,447us-gaap_DeferredIncomeTaxLiabilities
Deferred tax liabilities, net $ 1,134us-gaap_DeferredTaxLiabilities $ 954us-gaap_DeferredTaxLiabilities