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Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | Feb. 28, 2013 | Nov. 30, 2012 | Feb. 28, 2013 Unsecured Publicly-Traded Notes | Dec. 31, 2012 Unsecured Publicly-Traded Notes | Feb. 28, 2013 Unsecured Floating Rate Export Credit Facilities | Feb. 28, 2013 Unsecured Debt | Feb. 28, 2013 Unsecured Debt Commercial Paper | Feb. 28, 2013 Unsecured Debt Euro Denominated Bank Loans
--- | --- | --- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Short-term borrowing | $ 122 | $ 56 |  |  |  |  | $ 76 | $ 46
Aggregate weighted average interest rate |  |  |  |  |  | 0.20% |  |
Issuance of unsecured publicly-traded notes |  |  | $ 500 | $ 500 |  |  |  |
Debt instrument, interest rate |  |  | 1.20% | 1.90% |  |  |  |
Debt instrument maturity period |  |  | 2016-02 | 2017-12 |  |  |  |
Debt instrument maturity year |  |  |  |  | 2022 |  |  |

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- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Interest rate stated in the contractual debt agreement. + References 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 Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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