CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Sales	$ 36,707	$ 33,382
Cost of sales	29,937	26,429
Gross profit	6,771	6,953
Selling, general and administrative expenses	6,851	13,158
Equity earnings in Cencora	42	53
Operating loss	(39)	(6,151)
Other (expense) income, net	(220)	992
Loss before interest and income tax benefit	(259)	(5,159)
Interest expense, net	99	110
Loss before income tax benefit	(358)	(5,270)
Income tax benefit	(74)	(1,447)
Post-tax earnings from other equity method investments	6	7
Net loss	(278)	(3,816)
Net loss attributable to non-controlling interests	(210)	(94)
Net loss attributable to Walgreens Boots Alliance, Inc.	$ (67)	$ (3,721)
Earnings Per Share, Basic [Abstract]
Total (in dollars per share)	$ (0.08)	$ (4.31)
Earnings Per Share, Diluted [Abstract]
Total (in dollars per share)	$ (0.08)	$ (4.31)
Weighted average common shares outstanding:
Basic (in shares)	863.0	863.6
Diluted (in shares)	863.0	863.6