Fair Value Measurements - Derivative Assets and Liabilities at Fair Value (Detail) (USD $) In Millions, unless otherwise specified	May 31, 2014		May 31, 2013
Derivatives, Fair Value [Line Items]
Accrued Liabilities	$ 85		$ 34
Fair Value, Measurements, Recurring
Derivatives, Fair Value [Line Items]
Reduction in derivative liabilities if netted	63		34
Fair Value Measurements Using Level 2 | Fair Value, Measurements, Recurring
Derivatives, Fair Value [Line Items]
Assets at Fair Value	133		289
Other Current Assets	101		199
Other Long-term Assets	32		90
Liabilities at Fair Value	85		34
Accrued Liabilities	84		34
Other Long-term Liabilities	1		0
Fair Value Measurements Using Level 2 | Fair Value, Measurements, Recurring | Foreign exchange forwards and options
Derivatives, Fair Value [Line Items]
Assets at Fair Value	127	[1]	278	[2]
Other Current Assets	101	[1]	199	[2]
Other Long-term Assets	26	[1]	79	[2]
Liabilities at Fair Value	85	[1]	34	[2]
Accrued Liabilities	84	[1]	34	[2]
Other Long-term Liabilities	1	[1]	0	[2]
Fair Value Measurements Using Level 2 | Fair Value, Measurements, Recurring | Interest rate swap contracts
Derivatives, Fair Value [Line Items]
Assets at Fair Value	6		11
Other Current Assets	0		0
Other Long-term Assets	6		11
Liabilities at Fair Value	0		0
Accrued Liabilities	0		0
Other Long-term Liabilities	$ 0		$ 0

[1] The Company’s derivative financial instruments are subject to master netting arrangements that allow for the offset of assets and liabilities in the event of default or early termination of the contract. The Company elects to record the gross assets and liabilities of its derivative financial instruments in the Consolidated Balance Sheets. If the derivative financial instruments had been netted in the Consolidated Balance Sheets, the asset and liability positions each would have been reduced by $63 million. No material amounts of collateral were received or posted on the Company’s derivative assets and liabilities as of May 31, 2014.

[2] The Company’s derivative financial instruments are subject to master netting arrangements that allow for the offset of assets and liabilities in the event of default or early termination of the contract. The Company elects to record the gross assets and liabilities of its derivative financial instruments in the Consolidated Balance Sheets. If the derivative financial instruments had been netted in the Consolidated Balance Sheets, the asset and liability positions each would have been reduced by $34 million. No material amounts of collateral were received or posted on the Company’s derivative assets and liabilities as of May 31, 2013.