Sales (Tables)

12 Months Ended

Aug. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes the Company’s sales by segment and by major source (in millions):

	For the years ending August 31,
	2020		2019		2018
Retail Pharmacy USA
Pharmacy	$	80,481	$	77,192	$	71,055
Retail	27,220		27,340		27,337
Total	107,701		104,532		98,392
Retail Pharmacy International
Pharmacy	3,906		4,080		4,360
Retail	6,098		7,382		7,921
Total	10,004		11,462		12,281
Pharmaceutical Wholesale	23,958		23,053		23,006
Eliminations1	(2,126)		(2,180)		(2,142)
Walgreens Boots Alliance, Inc.	$	139,537	$	136,866	$	131,537

¹Eliminations relate to intersegment sales between the Pharmaceutical Wholesale and the Retail Pharmacy International segments.