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The "statutory" tax rate shall be the regular tax rate if there are alternative tax systems.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 falsefalse14false0us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxesus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.0070.007falsefalsefalsefalsefalse2truetruefalse0.0110.011falsefalsefalsefalsefalse3true< /IsNumeric>truefalse-0.029-0.029falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense (benefit), net of the federal tax benefit (expense) thereon, recorded during the period.No authoritative reference available.< IsTotalLabel>falsefalse15false0us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferentialus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse-0.009-0.009falsefalsefalsefalsefalse2truetruefalse-0.01-0.01falsefalsefalsefalsefalse3truetruefalse-0.005-0.005falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.No authoritative referen ce available.falsefalse16false0us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.0090.009falsefalsefalsefalsefalse2truetruefalse-0.007-0.007falsefalsefalsefalsefalse 3truetruefalse-0.007-0.007falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe sum of the differences between the effective income tax rate and domestic federal statutory income tax rate attributable to all nondeductible expenses under enacted tax laws.No authoritative reference available.falsefalseNon-deductible expenses and other differences17false0us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncomeus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse-0.002-0.002falsefalsefalsefalsefalse2truetruefalse-0.003-0.003falsefalsefalsefalsefalse3truetruefalse< /DisplayZeroAsNone>0.0280.028falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to income that is exempt from income taxes under enacted tax laws.No authoritative reference available.falsefalse18false 0us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarningsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse-0.025-0.025falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalseOtherus-types:percentItemTypepureThe portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the repatriation of foreign earnings under enacted tax laws.No authoritative reference available.falsefalse19false0us-gaap_EffectiveIncomeTaxRateContinuingOperationsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truetruefalse0.330.33falsefalsefalsefalsefalse2truetruefalse0.3410.341falsefalsefalsefalsefalse3truetruefalse0.3370.337fal sefalsefalsefalsefalseOtherus-types:percentItemTypepureA ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 truefalse317Income Tax (Schedule of Effective Income Tax Rate Reconciliation) (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruetrue