Supplementary financial information (Tables)

12 Months Ended

Aug. 31, 2018

Supplementary Financial Information [Abstract]

Summary of quarterly results

Summary of Quarterly Results (Unaudited)

(in millions, except per share amounts)

	Quarter ended
	November		February		May		August		Fiscal year
Fiscal 2018
Sales	$	30,740	$	33,021	$	34,334	$	33,442	$	131,537
Gross profit	7,341		8,096		7,780		7,575		30,792
Net earnings attributable to Walgreens Boots Alliance, Inc.	821		1,349		1,342		1,512		5,024
Net earnings per common share:
Basic	$	0.82	$	1.36	$	1.35	$	1.55	$	5.07
Diluted	0.81		1.36		1.35		1.55		5.05
Cash dividends declared per common share	$	0.400	$	0.400	$	0.400	$	0.440	$	1.640
Fiscal 2017
Sales	$	28,501	$	29,446	$	30,118	$	30,149	$	118,214
Gross profit	7,116		7,561		7,145		7,340		29,162
Net earnings attributable to Walgreens Boots Alliance, Inc.	1,054		1,060		1,162		802		4,078
Net earnings per common share:
Basic	$	0.97	$	0.98	$	1.08	$	0.76	$	3.80
Diluted	0.97		0.98		1.07		0.76		3.78
Cash dividends declared per common share	$	0.375	$	0.375	$	0.375	$	0.400	$	1.525