CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS (UNAUDUITED) [Abstract]
Sales	$ 28,501	$ 29,033
Cost of sales	21,385	21,614
Gross Profit	7,116	7,419
Selling, general and administrative expenses	5,686	5,951
Equity earnings in AmerisourceBergen	17	0
Operating Income	1,447	1,468
Other income (expense)	1	(57)
Earnings Before Interest and Income Tax Provision	1,448	1,411
Interest expense, net	173	138
Earnings Before Income Tax Provision	1,275	1,273
Income tax provision	220	167
Post tax earnings from other equity method investments	12	11
Net Earnings	1,067	1,117
Net earnings attributable to noncontrolling interests	13	7
Net Earnings Attributable to Walgreens Boots Alliance, Inc.	$ 1,054	$ 1,110
Net earnings per common share:
Basic (in dollars per share)	$ 0.97	$ 1.02
Diluted (in dollars per share)	0.97	1.01
Dividends declared per share (in dollars per share)	$ 0.375	$ 0.360
Weighted average common shares outstanding:
Basic (in shares)	1,082.1	1,089.0
Diluted (in shares)	1,088.3	1,098.6