CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Nov. 30, 2015	Nov. 30, 2014
CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS (UNAUDITED) [Abstract]
Net sales	$ 29,033	$ 19,554
Cost of sales	21,531	14,258
Gross Profit	7,502	5,296
Selling, general and administrative expenses	6,034	4,456
Equity earnings in Alliance Boots	0	214
Operating Income	1,468	1,054
Other income (expense)	(57)	199
Earnings Before Interest and Income Tax Provision	1,411	1,253
Interest expense, net	138	55
Earnings Before Income Tax Provision	1,273	1,198
Income tax provision	167	321
Post tax earnings from equity method investments	11	0
Net Earnings	1,117	877
Net earnings attributable to noncontrolling interests	7	27
Net Earnings Attributable to Walgreens Boots Alliance, Inc.	$ 1,110	$ 850
Net earnings per common share attributable to Walgreens Boots Alliance, Inc. - basic (in dollars per share)	$ 1.02	$ 0.90
Net earnings per common share attributable to Walgreens Boots Alliance, Inc. - diluted (in dollars per share)	1.01	0.89
Dividends declared, per share (in dollars per share)	$ 0.3600	$ 0.3375
Average shares outstanding (in shares)	1,089.0	945.8
Dilutive effect of stock options (in shares)	9.6	10.2
Average diluted shares (in shares)	1,098.6	956.0