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Schedule II - Valuation and qualifying accounts | 12 Months Ended
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May 31, 2018
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - Valuation and qualifying accounts | SCHEDULE II — Valuation and Qualifying Accounts
(In millions) |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts(1) |  | Write-Offs, Net |  | Balance at End of Period
Sales returns reserve |  |  |  |  |  |  |  |  |  |
For the year ended May 31, 2016 |  | $ | 379 |  |  | $ | 788 |  |  | $ | (15 | ) |  | $ | (708 | ) |  | $ | 444 |
For the year ended May 31, 2017 |  | 444 |  |  | 696 |  |  | 3 |  |  | (800 | ) |  | 343 |
For the year ended May 31, 2018 |  | 343 |  |  | 640 |  |  | 5 |  |  | (658 | ) |  | 330 |
Allowance for doubtful accounts(2) |  |  |  |  |  |  |  |  |  |
For the year ended May 31, 2016 |  | $ | 78 |  |  | $ | 52 |  |  | $ | (2 | ) |  | $ | (85 | ) |  | $ | 43 |
For the year ended May 31, 2017 |  | 43 |  |  | 16 |  |  | — |  |  | (40 | ) |  | 19 |
For the year ended May 31, 2018 |  | 19 |  |  | 19 |  |  | — |  |  | (8 | ) |  | 30 |
(1) | Amounts included in this column primarily relate to foreign currency translation.
(2) | Includes both current and non-current portions of the allowance for doubtful accounts. The non-current portion is included in Deferred income taxes and other assets on the Consolidated Balance Sheets.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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