Fair Value Measurements (Tables)

6 Months Ended

Nov. 30, 2020

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 measured at fair value on a recurring basis as of November 30, 2020 and May 31, 2020, and indicate the level in the fair value hierarchy in which the Company classifies the fair value measurement:

	NOVEMBER 30, 2020
(Dollars in millions)	ASSETS AT FAIR VALUE		CASH AND EQUIVALENTS		SHORT-TERM INVESTMENTS
Cash	$	886	$	886	$	—
Level 1:
U.S. Treasury securities	3,136		—		3,136
Level 2:
Commercial paper and bonds	39		—		39
Money market funds	6,767		6,767		—
Time deposits	983		982		1
U.S. Agency securities	1		—		1
Total Level 2	7,790		7,749		41
TOTAL	$	11,812	$	8,635	$	3,177

	MAY 31, 2020
(Dollars in millions)	ASSETS AT FAIR VALUE		CASH AND EQUIVALENTS		SHORT-TERM INVESTMENTS
Cash	$	596	$	596	$	—
Level 1:
U.S. Treasury securities	1,204		800		404
Level 2:
Commercial paper and bonds	32		—		32
Money market funds	5,973		5,973		—
Time deposits	981		979		2
U.S. Agency securities	1		—		1
Total Level 2	6,987		6,952		35
TOTAL	$	8,787	$	8,348	$	439

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

The following tables present information about the Company's derivative assets and liabilities measured at fair value on a recurring basis and indicate the level in the fair value hierarchy in which the Company classifies the fair value measurement:

	NOVEMBER 30, 2020
	DERIVATIVE ASSETS						DERIVATIVE LIABILITIES
(Dollars 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)	$	30	$	27	$	3	$	579	$	480	$	99
Embedded derivatives	—		—		—		5		5		—
TOTAL	$	30	$	27	$	3	$	584	$	485	$	99

(1)If the foreign exchange derivative instruments had been netted on the Unaudited Condensed Consolidated Balance Sheets, the asset and liability positions each would have been reduced by $30 million as of November 30, 2020. As of that date, the Company had posted $170 million of cash collateral to various counterparties related to foreign exchange derivative instruments. No amount of collateral was received on the Company's derivative asset balance as of November 30, 2020.

	MAY 31, 2020
	DERIVATIVE ASSETS						DERIVATIVE LIABILITIES
(Dollars 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)	$	94	$	91	$	3	$	205	$	188	$	17
Embedded derivatives	1		1		—		2		2		—
TOTAL	$	95	$	92	$	3	$	207	$	190	$	17

(1)If the foreign exchange derivative instruments had been netted on the Consolidated Balance Sheets, the asset and liability positions each would have been reduced by $76 million as of May 31, 2020. As of that date, no amount of cash collateral had been received or posted on the derivative asset and liability balances related to these foreign exchange derivative instruments.

The following tables present the fair values of derivative instruments included within the Unaudited Condensed Consolidated Balance Sheets:

	DERIVATIVE ASSETS
	BALANCE SHEET LOCATION	NOVEMBER 30,		MAY 31,
(Dollars in millions)		2020		2020
Derivatives formally designated as hedging instruments:
Foreign exchange forwards and options	Prepaid expenses and other current assets	$	11	$	43
Foreign exchange forwards and options	Deferred income taxes and other assets	2		1
Total derivatives formally designated as hedging instruments		13		44
Derivatives not designated as hedging instruments:
Foreign exchange forwards and options	Prepaid expenses and other current assets	16		48
Embedded derivatives	Prepaid expenses and other current assets	—		1
Foreign exchange forwards and options	Deferred income taxes and other assets	1		2
Total derivatives not designated as hedging instruments		17		51
TOTAL DERIVATIVE ASSETS		$	30	$	95
	DERIVATIVE LIABILITIES
	BALANCE SHEET LOCATION	NOVEMBER 30,		MAY 31,
(Dollars in millions)		2020		2020
Derivatives formally designated as hedging instruments:
Foreign exchange forwards and options	Accrued liabilities	$	462	$	173
Foreign exchange forwards and options	Deferred income taxes and other liabilities	99		17
Total derivatives formally designated as hedging instruments		561		190
Derivatives not designated as hedging instruments:
Foreign exchange forwards and options	Accrued liabilities	18		15
Embedded derivatives	Accrued liabilities	5		2
Total derivatives not designated as hedging instruments		23		17
TOTAL DERIVATIVE LIABILITIES		$	584	$	207