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May be presented in a variety of ways (for example: year only, month and year, day, month and year, and number of years).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 falsefalse5false0us-gaap_DebtInstrumentMaturityDateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsetruefalsefalse2falsefalsefalse00falsefalsetruefalsefalse3falsefalsefalse00falsefalsetruetruefalse4falsefalsefalse00falsefalsetruetruefalse5falsefalsefalse002013-01-152013-01-15falsefalsetruetruefalse6falsefalsefalse00falsefalsetruetruefalse7falsefalsefalse002014-04-152014-04-15falsefalsetruetruefalse8falsefalsefalse00falsefalsetruetruefalse9falsefalsefalse002018-01-152018-01-15falsefalsetruetruefalse10falsefalsefalse00falsefalsetruetruefalse11falsefalsefalse002019-04-152019-04-15falsefalsetruetruefalse12falsefalsefalse00falsefalsetruetruefalse13falsefalsefalse002038-01-152038-01-15falsefalsetruetruefalse14falsefalsefalse00falsefalsetruetruefalse15falsefalsefalse002020-04-012020-04-01falsefalsetruetruefalse16falsefalsefalse00falsefalsetruetruefalse17falsefalsefalse002021-01-152021-01-15falsefalsetruetruefalse18falsefalsefalse00falsefalsetruetruefalse19falsefalsefalse002030-04-012030-04-01falsefalsetruetruefalse20falsefalsefalse00falsefalsetruetruefalse21falsefalsefalse002040-11-152040-11-15falsefalsetruetruefalse22falsefalsefalse00falsefalsetruetruefalse23falsefalsefalse00falsefalsetruetruefalse24falsefalsefalse00falsefalsetruetruefalse25falsefalsefalse00falsefalsetruetruefalse26falsefalsefalse00falsefalsetruetruefalse27falsefalsefalse00falsefalsetruetruefalse28falsefalsefalse00falsefalsetruetruefalse29falsefalsefalse00falsefalsetruetruefalse30falsefalsefalse00falsefalsetruetruefalse31falsefalsefalse00falsefalsetruetruefalse32falsefalsefalse00falsefalsetruetruefalseOtherxbrli:dateItemTypedateDate when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 falsefalse6false0us-gaap_LongTermDebtus-gaaptruecreditinstantNo definition available.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:monetaryItemTypemonetaryIncluding current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 falsefalse7false0us-gaap_LongTermDebtCurrentus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-1554000000-1554falsefalsefalsefalsefalse2truefalsefalse-355000000-355falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryTotal of the portions of the carrying amounts as of the balance sheet date of long-term debt, which may include notes payable, bonds payable, debentures, mortgage loans, and commercial paper, which are scheduled to be repaid within one year or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 falsefalse8false0us-gaap_LongTermDebtNoncurrentus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1050400000010504falsetruefalsefalsefalse2truefalsefalse1049100000010491falsetruefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetarySum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 falsefalse327Carrying Value of Outstanding Debt (Detail) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue