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Schedule II - Valuation and Qualifying Accounts (Detail) - Allowance for Sales Returns - USD ($) $ in Millions | 12 Months Ended
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May 31, 2021 | May 31, 2020 | May 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
BALANCE AT BEGINNING OF PERIOD |  | $ 843 | $ 734
CHARGED TO COSTS AND EXPENSES |  |  | 2,209
CHARGED TO OTHER ACCOUNTS |  |  | (30)
WRITE-OFFS, NET |  |  | (2,070)
BALANCE  AT END  OF PERIOD |  |  | 843
Revision of Prior Period, Adjustment |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
CHARGED TO COSTS AND EXPENSES |  | 286 | 250
Accounting Standards Update 2014-09 |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
BALANCE AT BEGINNING OF PERIOD | $ 682 | 843 |
CHARGED TO COSTS AND EXPENSES | 2,571 | 2,227 |
CHARGED TO OTHER ACCOUNTS | 41 | (31) |
WRITE-OFFS, NET | (2,699) | (2,357) |
BALANCE  AT END  OF PERIOD | $ 595 | $ 682 | $ 843

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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