v2.4.0.6
Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)
In Millions, unless otherwise specified
Nov. 30, 2012
May 31, 2012
ASSETS    
Derivative assets $ 129 $ 281
Fair Value, Measurements, Recurring
   
ASSETS    
Derivative assets 129 281
Available-for-sale securities 2,453 2,852
TOTAL ASSETS 2,582 3,133
LIABILITIES    
TOTAL LIABILITIES 83 55
Fair Value, Measurements, Recurring | U.S. Treasury securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 510 226
Fair Value, Measurements, Recurring | U.S. Treasury securities | Short-term investments
   
ASSETS    
Available-for-sale securities 707 927
Fair Value, Measurements, Recurring | U.S. Agency securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 254
Fair Value, Measurements, Recurring | U.S. Agency securities | Short-term investments
   
ASSETS    
Available-for-sale securities 223 230
Fair Value, Measurements, Recurring | Commercial paper and bonds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 212 159
Fair Value, Measurements, Recurring | Commercial paper and bonds | Short-term investments
   
ASSETS    
Available-for-sale securities 304 283
Fair Value, Measurements, Recurring | Money market funds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 492 770
Fair Value, Measurements, Recurring | Non-marketable preferred stock | Other long-term assets
   
ASSETS    
Available-for-sale securities 5 3
Fair Value, Measurements, Recurring | Foreign exchange forwards and options | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 116 265
Fair Value, Measurements, Recurring | Foreign exchange forwards and options | Accrued liabilities and other long-term liabilities
   
LIABILITIES    
Derivative liabilities 82 55
Fair Value, Measurements, Recurring | Embedded derivatives | Other current assets
   
ASSETS    
Derivative assets 0 1
Fair Value, Measurements, Recurring | Embedded derivatives | Accrued liabilities
   
LIABILITIES    
Derivative liabilities 1  
Fair Value, Measurements, Recurring | Interest rate swap contracts | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 13 15
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
   
ASSETS    
Derivative assets 0 0
Available-for-sale securities 1,217 1,153
TOTAL ASSETS 1,217 1,153
LIABILITIES    
TOTAL LIABILITIES 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | U.S. Treasury securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 510 226
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | U.S. Treasury securities | Short-term investments
   
ASSETS    
Available-for-sale securities 707 927
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | U.S. Agency securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | U.S. Agency securities | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Commercial paper and bonds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Commercial paper and bonds | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Money market funds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Non-marketable preferred stock | Other long-term assets
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Foreign exchange forwards and options | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Foreign exchange forwards and options | Accrued liabilities and other long-term liabilities
   
LIABILITIES    
Derivative liabilities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Embedded derivatives | Other current assets
   
ASSETS    
Derivative assets 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Embedded derivatives | Accrued liabilities
   
LIABILITIES    
Derivative liabilities 0  
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Interest rate swap contracts | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
   
ASSETS    
Derivative assets 129 281
Available-for-sale securities 1,231 1,696
TOTAL ASSETS 1,360 1,977
LIABILITIES    
TOTAL LIABILITIES 83 55
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | U.S. Treasury securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | U.S. Treasury securities | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | U.S. Agency securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 254
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | U.S. Agency securities | Short-term investments
   
ASSETS    
Available-for-sale securities 223 230
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Commercial paper and bonds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 212 159
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Commercial paper and bonds | Short-term investments
   
ASSETS    
Available-for-sale securities 304 283
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Money market funds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 492 770
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Non-marketable preferred stock | Other long-term assets
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Foreign exchange forwards and options | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 116 265
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Foreign exchange forwards and options | Accrued liabilities and other long-term liabilities
   
LIABILITIES    
Derivative liabilities 82 55
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Embedded derivatives | Other current assets
   
ASSETS    
Derivative assets 0 1
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Embedded derivatives | Accrued liabilities
   
LIABILITIES    
Derivative liabilities 1  
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Interest rate swap contracts | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 13 15
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
   
ASSETS    
Derivative assets 0 0
Available-for-sale securities 5 3
TOTAL ASSETS 5 3
LIABILITIES    
TOTAL LIABILITIES 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | U.S. Treasury securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | U.S. Treasury securities | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | U.S. Agency securities | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | U.S. Agency securities | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Commercial paper and bonds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Commercial paper and bonds | Short-term investments
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Money market funds | Cash and equivalents
   
ASSETS    
Available-for-sale securities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Non-marketable preferred stock | Other long-term assets
   
ASSETS    
Available-for-sale securities 5 3
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Foreign exchange forwards and options | Other current assets and other long-term assets
   
ASSETS    
Derivative assets 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Foreign exchange forwards and options | Accrued liabilities and other long-term liabilities
   
LIABILITIES    
Derivative liabilities 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Embedded derivatives | Other current assets
   
ASSETS    
Derivative assets 0 0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Embedded derivatives | Accrued liabilities
   
LIABILITIES    
Derivative liabilities 0  
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Interest rate swap contracts | Other current assets and other long-term assets
   
ASSETS    
Derivative assets $ 0 $ 0