Summary of Significant Accounting Policies (Detail) - USD ($) $ in Millions	Feb. 28, 2019	Jun. 01, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Capital in excess of stated value	$ 6,910		$ 6,384
Retained earnings	1,851		3,517
Accounts receivable, net	4,549		3,498
Prepaid expenses and other current assets	1,786		1,130
Total current assets	15,796		15,134
TOTAL ASSETS	22,921		22,536
Accrued liabilities	4,738		3,269
Total current liabilities	7,281		6,040
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	22,921		22,536
Deferred income taxes and other assets	2,000		2,509
Deferred income taxes and other liabilities	3,214		$ 3,216
Adoption of ASC Topic 606 (Note 1)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		$ 23
Adoption of ASU 2016-16 (Note 1)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		(507)
Prepaid expenses and other current assets		(45)
Deferred income taxes and other assets		(422)
Deferred income taxes and other liabilities		$ 40
Effect of Adoption | Adoption of ASC Topic 606 (Note 1)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	795
Prepaid expenses and other current assets	426
Total current assets	1,221
TOTAL ASSETS	1,221
Accrued liabilities	1,221
Total current liabilities	1,221
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	1,221
Balances Without Adoption of Topic 606
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	3,754
Prepaid expenses and other current assets	1,360
Total current assets	14,575
TOTAL ASSETS	21,700
Accrued liabilities	3,517
Total current liabilities	6,060
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 21,700
Restatement Adjustment | Repurchases Of Class B Common Stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Capital in excess of stated value				$ (100)	$ (3,000)
Retained earnings				$ 100	$ 3,000