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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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May 31, 2018
Supplemental Cash Flow Tables [Abstract] |
Supplemental Cash Flow | Cash paid for interest expense and income taxes for the years ended May 31 was as follows (in millions):
|  | 2018 |  |  | 2017 |  |  | 2016 |
Cash payments for: |  |  |  |  |  |  |  |  |  |  |  |
Interest (net of capitalized interest) |  | $ | 524 |  |  | $ | 484 |  |  | $ | 321 |
Income taxes |  | $ | 760 |  |  | $ | 397 |  |  | $ | 996 |
Income tax refunds received |  |  | (571 | ) |  |  | (20 | ) |  |  | (5 | )
Cash tax payments, net |  | $ | 189 |  |  | $ | 377 |  |  | $ | 991 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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