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Summary of Significant Accounting Policies (Detail) - USD ($) $ in Millions | Aug. 31, 2018 | Jun. 01, 2018 | May 31, 2018
--- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Retained earnings | $ 2,494 |  | $ 3,517
Accounts receivable, net | 4,330 |  | 3,498
Prepaid expenses and other current assets | 1,675 |  | 1,130
Total current assets | 15,501 |  | 15,134
TOTAL ASSETS | 22,483 |  | 22,536
Accrued liabilities | 4,174 |  | 3,269
Total current liabilities | 6,708 |  | 6,040
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY | 22,483 |  | 22,536
Deferred income taxes and other assets | 2,057 |  | 2,509
Deferred income taxes and other liabilities | 3,316 |  | $ 3,216
Accounting Standards Update 2014-09 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Retained earnings |  | $ 23 |
Accounting Standards Update 2016-16 |  |  |
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 | Accounting Standards Update 2014-09 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Accounts receivable, net | 662 |  |
Prepaid expenses and other current assets | 367 |  |
Total current assets | 1,029 |  |
TOTAL ASSETS | 1,029 |  |
Accrued liabilities | 1,029 |  |
Total current liabilities | 1,029 |  |
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY | 1,029 |  |
Balances Without Adoption of Topic 606 |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Accounts receivable, net | 3,668 |  |
Prepaid expenses and other current assets | 1,308 |  |
Total current assets | 14,472 |  |
TOTAL ASSETS | 21,454 |  |
Accrued liabilities | 3,145 |  |
Total current liabilities | 5,679 |  |
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY | $ 21,454 |  |

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