Credit Losses - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Nov. 30, 2020 |
Nov. 30, 2019 |
Nov. 30, 2020 |
Nov. 30, 2019 |
May 31, 2020 |
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| Credit Loss [Abstract] | |||||
| Credit losses | $ 148 | $ 102 | $ 291 | $ 208 | |
| Allowance for credit losses | $ 296 | $ 296 | $ 175 | ||
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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