Fair Value Measurements - Derivative Assets and Liabilities at Fair Value (Detail) - USD ($)	May 31, 2019	May 31, 2018
Derivatives, Fair Value [Line Items]
ACCRUED LIABILITIES	$ 52,000,000	$ 184,000,000
Collateral received from counterparties to hedging instruments	289,000,000	23,000,000
Fair Value, Measurements, Recurring
Derivatives, Fair Value [Line Items]
Reduction in derivative assets if netted	50,000,000	182,000,000
Fair Value, Measurements, Recurring \| Foreign exchange forwards and options
Derivatives, Fair Value [Line Items]
Reduction in derivative liabilities if netted	50,000,000	182,000,000
Cash and Cash Equivalents
Derivatives, Fair Value [Line Items]
Collateral received from counterparties to hedging instruments	289,000,000
Cash and Cash Equivalents \| Foreign exchange forwards and options
Derivatives, Fair Value [Line Items]
Collateral received from counterparties to hedging instruments	289,000,000	23,000,000
Fair value of derivative liability collateral	0	0
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Derivatives, Fair Value [Line Items]
ASSETS AT FAIR VALUE	622,000,000	400,000,000
OTHER CURRENT ASSETS	616,000,000	240,000,000
OTHER LONG-TERM ASSETS	6,000,000	160,000,000
LIABILITIES AT FAIR VALUE	54,000,000	190,000,000
ACCRUED LIABILITIES	52,000,000	184,000,000
OTHER LONG-TERM LIABILITIES	2,000,000	6,000,000
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Foreign exchange forwards and options
Derivatives, Fair Value [Line Items]
ASSETS AT FAIR VALUE	611,000,000	389,000,000
OTHER CURRENT ASSETS	611,000,000	237,000,000
OTHER LONG-TERM ASSETS	0	152,000,000
LIABILITIES AT FAIR VALUE	51,000,000	182,000,000
ACCRUED LIABILITIES	51,000,000	182,000,000
OTHER LONG-TERM LIABILITIES	0	0
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Embedded derivatives
Derivatives, Fair Value [Line Items]
ASSETS AT FAIR VALUE	11,000,000	11,000,000
OTHER CURRENT ASSETS	5,000,000	3,000,000
OTHER LONG-TERM ASSETS	6,000,000	8,000,000
LIABILITIES AT FAIR VALUE	3,000,000	8,000,000
ACCRUED LIABILITIES	1,000,000	2,000,000
OTHER LONG-TERM LIABILITIES	$ 2,000,000	$ 6,000,000

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Fair value of securities received as collateral against derivative assets.

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