CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Nov. 30, 2019	Nov. 30, 2018
Income Statement [Abstract]
Sales	$ 34,339	$ 33,793
Cost of sales	27,077	26,152
Gross profit	7,263	7,641
Selling, general and administrative expenses	6,262	6,280
Equity earnings in AmerisourceBergen	13	39
Operating income	1,013	1,400
Other income	35	26
Earnings before interest and income tax provision	1,048	1,427
Interest expense, net	166	161
Earnings before income tax provision	882	1,265
Income tax provision	32	180
Post tax earnings (loss) from other equity method investments	(9)	15
Net earnings	842	1,100
Net loss attributable to noncontrolling interests	(3)	(23)
Net earnings attributable to Walgreens Boots Alliance, Inc.	$ 845	$ 1,123
Net earnings per common share:
Basic (in dollars per share)	$ 0.95	$ 1.18
Diluted (in dollars per share)	$ 0.95	$ 1.18
Weighted average common shares outstanding:
Basic (in shares)	891.4	948.2
Diluted (in shares)	892.6	951.4