Fair Value Measurements (Tables)

12 Months Ended

May 31, 2014

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 May 31, 2014 and 2013 and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value. Refer to Note 1 – Summary of Significant Accounting Policies for additional detail regarding the Company’s fair value measurement methodology.

	As of May 31, 2014
(In millions)		Assets at Fair Value		Cash and Cash Equivalents		Short-term Investments		Other Long-term Assets
Cash		$	780	$	780	$	—	$	—
Level 1:
U.S. Treasury securities		1,137		151		986		—
Level 2:
Time deposits		227		227		—		—
U.S. Agency securities		1,027		25		1,002		—
Commercial paper and bonds		959		25		934		—
Money market funds		1,012		1,012		—		—
Total level 2		3,225		1,289		1,936		—
Level 3:
Non-marketable preferred stock		7		—		—		7
TOTAL		$	5,149	$	2,220	$	2,922	$	7

	As of May 31, 2013
(In millions)		Assets at Fair Value		Cash and Cash Equivalents		Short-term Investments		Other Long-term Assets
Cash		$	663	$	663	$	—	$	—
Level 1:
U.S. Treasury securities		2,008		425		1,583		—
Level 2:
Time deposits		358		358		—		—
U.S. Agency securities(1)		1,026		395		631		—
Commercial paper and bonds(1)		1,074		660		414		—
Money market funds		836		836		—		—
Total level 2		3,294		2,249		1,045		—
Level 3:
Non-marketable preferred stock		5		—		—		5
TOTAL		$	5,970	$	3,337	$	2,628	$	5

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

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

	As of May 31, 2014
		Asset Derivatives						Liability Derivatives
(In millions)		Assets at Fair Value		Other Current Assets		Other Long-term Assets		Liabilities at Fair Value		Accrued Liabilities		Other Long-term Liabilities
Level 2:
Foreign exchange forwards and options(1)		$	127	$	101	$	26	$	85	$	84	$	1
Interest rate swap contracts		6		—		6		—		—		—
TOTAL		$	133	$	101	$	32	$	85	$	84	$	1

(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.

	As of May 31, 2013
		Asset Derivatives						Liability Derivatives
(In millions)		Assets at Fair Value		Other Current Assets		Other Long-term Assets		Liabilities at Fair Value		Accrued Liabilities		Other Long-term Liabilities
Level 2:
Foreign exchange forwards and options(1)		$	278	$	199	$	79	$	34	$	34	$	—
Interest rate swap contracts		11		—		11		—		—		—
TOTAL		$	289	$	199	$	90	$	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.

The following table presents the fair values of derivative instruments included within the Consolidated Balance Sheets as of May 31, 2014 and 2013:

	Asset Derivatives					Liability Derivatives
(In millions)	Balance Sheet Location	2014		2013		Balance Sheet  Location	2014		2013
Derivatives formally designated as hedging instruments:
Foreign exchange forwards and options	Prepaid expenses and other current assets	$	76	$	141	Accrued liabilities	$	57	$	12
Foreign exchange forwards and options	Deferred income taxes and other assets	26		79		Deferred income taxes and other liabilities	1		—
Interest rate swap contracts	Deferred income taxes and other assets	6		11		Deferred income taxes and other liabilities	—		—
Total derivatives formally designated as hedging instruments		108		231			58		12
Derivatives not designated as hedging instruments:
Foreign exchange forwards and options	Prepaid expenses and other current assets	25		58		Accrued liabilities	27		22
Total derivatives not designated as hedging instruments		25		58			27		22
TOTAL DERIVATIVES		$	133	$	289		$	85	$	34