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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
May 31, 2019 | May 31, 2018 | May 31, 2017 | Jun. 01, 2018 | Feb. 28, 2018
Significant Accounting Policies [Line Items] |  |  |  |  |
Total advertising and promotion expenses | $ 3,753 | $ 3,577 | $ 3,341 |  |
Prepaid advertising and promotion expenses | 773 | 730 |  |  |
Allowance for uncollectible accounts receivable | 30 | 30 |  |  |
Excess tax benefit, amount | 175 | 230 |  |  |
Accumulated other comprehensive income (loss) | 231 | (92) |  |  |
Retained earnings | 1,643 | 3,517 |  |  |
Deferred income taxes and other assets | (2,011) | (2,509) |  |  |
Prepaid expenses and other current assets | (1,968) | (1,130) |  |  |
Deferred income taxes and other liabilities | $ 3,347 | 3,216 |  |  |
Minimum | Building |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 2 years |  |  |  |
Minimum | Leasehold improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 2 years |  |  |  |
Minimum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 2 years |  |  |  |
Minimum | Software and Software Development Costs |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 2 years |  |  |  |
Minimum | Land Improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 2 years |  |  |  |
Maximum | Building |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 40 years |  |  |  |
Maximum | Leasehold improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 40 years |  |  |  |
Maximum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 15 years |  |  |  |
Maximum | Software and Software Development Costs |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 12 years |  |  |  |
Maximum | Land Improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, minimum useful life (in years) | 40 years |  |  |  |
Prepaid expenses and other current assets |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Prepaid advertising and promotion expenses | $ 333 | 359 |  |  |
Deferred income taxes and other assets |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Prepaid advertising and promotion expenses | 440 | $ 371 |  |  |
Accounting Standards Update 2016-16 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Retained earnings |  |  |  | $ (507) |
Deferred income taxes and other assets |  |  |  | 422 |
Prepaid expenses and other current assets |  |  |  | 45 |
Deferred income taxes and other liabilities |  |  |  | 40 |
Accounting Standards Update 2018-02 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  | $ 17
Retained earnings |  |  |  |  | $ (17)
Accounting Standards Update 2014-09 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Retained earnings |  |  |  | $ 23 |
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09 |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Prepaid expenses and other current assets | $ (410) |  |  |  |

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