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Supplemental Cash Flow Disclosures	6 Months Ended
Supplemental Cash Flow Disclosures	Feb. 28, 2017
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Disclosures	Supplemental Cash Flow Disclosures Interest paid was $375 million and $302 million for the six months ended February 28, 2017 and February 29, 2016, respectively. Cash paid for income taxes was $537 million and $481 million in the six months ended February 28, 2017 and February 29, 2016, respectively.