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Long Term Debt Net of Unamortized Premiums and Discounts and Swap Fair Value Adjustments (Detail)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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May 31, 2012
USD ($)
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May 31, 2011
USD ($)
|
May 31, 2012
5.66% Corporate bond, payable July 23, 2012
USD ($)
|
May 31, 2011
5.66% Corporate bond, payable July 23, 2012
USD ($)
|
May 31, 2012
5.40% Corporate bond, payable August 7, 2012
USD ($)
|
May 31, 2011
5.40% Corporate bond, payable August 7, 2012
USD ($)
|
May 31, 2012
4.70% Corporate bond, payable October 1, 2013
USD ($)
|
May 31, 2011
4.70% Corporate bond, payable October 1, 2013
USD ($)
|
May 31, 2012
5.15% Corporate bond, payable October 15, 2015
USD ($)
|
May 31, 2011
5.15% Corporate bond, payable October 15, 2015
USD ($)
|
May 31, 2012
4.30% Japanese Yen note, payable June 26, 2011
USD ($)
|
May 31, 2012
4.30% Japanese Yen note, payable June 26, 2011
JPY (¥)
|
May 31, 2011
4.30% Japanese Yen note, payable June 26, 2011
USD ($)
|
May 31, 2012
1.52% Japanese Yen note, payable February 14, 2012
USD ($)
|
May 31, 2012
1.52% Japanese Yen note, payable February 14, 2012
JPY (¥)
|
May 31, 2011
1.52% Japanese Yen note, payable February 14, 2012
USD ($)
|
May 31, 2012
2.60% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
USD ($)
|
May 31, 2012
2.60% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
JPY (¥)
|
May 31, 2011
2.60% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
USD ($)
|
May 31, 2012
2.00% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
USD ($)
|
May 31, 2012
2.00% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
JPY (¥)
|
May 31, 2011
2.00% Japanese Yen note, maturing August 20, 2001 through November 20, 2020
USD ($)
|
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| Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||||||||||
| Long Term Debt, original principal | $ 25 | [1] | $ 15 | [1] | $ 50 | [1] | $ 100 | [1] | ¥ 10,500 | ¥ 5,000 | ¥ 9,000 | [2] | ¥ 4,000 | [2] | ||||||||||||||||||||||||||
| Long-term debt, interest rate | 5.66% | [1] | 5.40% | [1] | 4.70% | [1] | 5.15% | [1] | 4.30% | 4.30% | 1.52% | 1.52% | 2.60% | [2] | 2.60% | [2] | 2.00% | [2] | 2.00% | [2] | ||||||||||||||||||||
| Long-term debt, interest payment | Semi-Annually | [1] | Semi-Annually | [1] | Semi-Annually | [1] | Semi-Annually | [1] | Semi-Annually | Semi-Annually | Semi-Annually | Semi-Annually | Quarterly | [2] | Quarterly | [2] | Quarterly | [2] | Quarterly | [2] | ||||||||||||||||||||
| Long Term Debt | 277 | 476 | 25 | [1] | 26 | [1] | 15 | [1] | 16 | [1] | 50 | [1] | 50 | [1] | 115 | [1] | 114 | [1] | 0 | 130 | 0 | 62 | 50 | [2] | 54 | [2] | 22 | [2] | 24 | [2] | ||||||||||
| Less current maturities | 49 | 200 | ||||||||||||||||||||||||||||||||||||||
| Long-term debt (Note 8) | $ 228 | $ 276 | ||||||||||||||||||||||||||||||||||||||
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