Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	May 31, 2019	May 31, 2018
Deferred tax assets:
Inventories	$ 66	$ 73
Sales return reserves	128	104
Deferred compensation	271	250
Stock-based compensation	156	135
Reserves and accrued liabilities	101	102
Net operating loss carry-forwards	81	88
Other	125	106
Total deferred tax assets	928	858
Valuation allowance	(88)	(95)
Total deferred tax assets after valuation allowance	840	763
Deferred tax liabilities:
Foreign withholding tax on undistributed earnings of foreign subsidiaries	(235)	(155)
Property, plant and equipment	(188)	(167)
Intangibles	(23)	(77)
Other	(18)	(26)
Total deferred tax liabilities	(464)	(425)
NET DEFERRED TAX ASSET	$ 376	$ 338