Equity Method Investments, Summarized Financial Information of Equity Method Investees (Details) - USD ($) $ in Millions		3 Months Ended
		Nov. 30, 2015	Nov. 30, 2014	[4]	Aug. 31, 2015
Balance Sheet [Abstract]
Current assets	[1]	$ 5,321			$ 5,015
Noncurrent assets	[1]	1,546			1,548
Current liabilities	[1]	4,255			3,936
Noncurrent liabilities	[1]	801			837
Shareholders' equity	[1],[2]	1,811			$ 1,790
Income Statement [Abstract]
Net sales	[3]	3,203	$ 9,661
Gross Profit	[3]	328	2,189
Net Income	[3]	24	498
Share of income from equity method investments	[3]	$ 11	$ 216

[1] Net assets in foreign equity method investments are translated at their respective November 30, 2015 and August 31, 2015 spot rates.

[2] Shareholders' equity at November 30, 2015 and August 31, 2015 includes $165 million and $163 million respectively, related to noncontrolling interests.

[3] Earnings in foreign equity method investments are translated at their respective average exchange rates.

[4] Includes equity method investment in Alliance Boots. See Note 1, Organization.