Fair Value Measurements (Tables)

6 Months Ended

Nov. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of November 30, 2013 and May 31, 2013, and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value.

	As of November 30, 2013
	Fair Value Measurements Using						Assets/Liabilities at Fair Value
(In millions)	Level 1		Level 2		Level 3				Balance Sheet Classification
ASSETS
Derivatives:
Foreign exchange forwards and options(1)	$	—	$	160	$	—	$	160	Other current assets and other long-term assets
Interest rate swap contracts	—		9		—		9		Other current assets and other long-term assets
Total derivatives	—		169		—		169
Available-for-sale securities:
U.S. Treasury securities	265		—		—		265		Cash and equivalents
U.S. Agency securities	—		25		—		25		Cash and equivalents
Commercial paper and bonds	—		110		—		110		Cash and equivalents
Money market funds	—		767		—		767		Cash and equivalents
U.S. Treasury securities	1,312		—		—		1,312		Short-term investments
U.S. Agency securities	—		869		—		869		Short-term investments
Commercial paper and bonds	—		920		—		920		Short-term investments
Non-marketable preferred stock	—		—		6		6		Other long-term assets
Total available-for-sale securities	1,577		2,691		6		4,274
TOTAL ASSETS	$	1,577	$	2,860	$	6	$	4,443
LIABILITIES
Derivatives:
Foreign exchange forwards and options(1)	$	—	$	101	$	—	$	101	Accrued liabilities and other long-term liabilities
TOTAL LIABILITIES	$	—	$	101	$	—	$	101

(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 $86 million. No material amounts of collateral were received or posted on the Company’s derivative assets and liabilities as of November 30, 2013.

	As of May 31, 2013
	Fair Value Measurements Using						Assets/Liabilities at Fair Value
(In millions)	Level 1		Level 2		Level 3				Balance Sheet Classification
ASSETS
Derivatives:
Foreign exchange forwards and options(1)	$	—	$	278	$	—	$	278	Other current assets and other long-term assets
Interest rate swap contracts	—		11		—		11		Other current assets and other long-term assets
Total derivatives	—		289		—		289
Available-for-sale securities:
U.S. Treasury securities	425		—		—		425		Cash and equivalents
U.S. Agency securities(2)	—		395		—		395		Cash and equivalents
Commercial paper and bonds(2)	—		660		—		660		Cash and equivalents
Money market funds	—		836		—		836		Cash and equivalents
U.S. Treasury securities	1,583		—		—		1,583		Short-term investments
U.S. Agency securities(2)	—		631		—		631		Short-term investments
Commercial paper and bonds(2)	—		414		—		414		Short-term investments
Non-marketable preferred stock	—		—		5		5		Other long-term assets
Total available-for-sale securities	2,008		2,936		5		4,949
TOTAL ASSETS	$	2,008	$	3,225	$	5	$	5,238
LIABILITIES
Derivatives:
Foreign exchange forwards and options(1)	$	—	$	34	$	—	$	34	Accrued liabilities and other long-term liabilities
TOTAL LIABILITIES	$	—	$	34	$	—	$	34

(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 $34 million. No material amounts of collateral were received or posted on the Company’s derivative assets and liabilities as of May 31, 2013.

(2) Amounts have been revised to reflect proper classification between U.S. Agency securities and Commercial paper and bonds.

Available-for-sale Securities

Short-term investments classified as available-for-sale consist of the following at fair value:

	November 30,		May 31,
(In millions)	2013		2013
Available-for-sale securities:
U.S. treasury and agencies	$	2,181	$	2,214
Commercial paper and bonds	920		414
TOTAL AVAILABLE-FOR-SALE SECURITIES	$	3,101	$	2,628