CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Income Statement [Abstract]
Sales	$ 38,986	$ 36,351	$ 117,034	$ 110,111
Cost of sales	32,480	29,892	96,814	89,840
Gross profit	6,506	6,460	20,220	20,271
Selling, general and administrative expenses	6,493	6,393	22,399	21,165
Impairment of goodwill	0	0	3,653	12,369
Equity earnings in Cencora	40	44	73	164
Operating income (loss)	53	111	(5,759)	(13,099)
Other income (expense), net	(2)	254	1,278	229
Earnings (loss) before interest and income tax provision (benefit)	51	365	(4,481)	(12,870)
Interest expense, net	126	113	377	351
Earnings (loss) before income tax provision (benefit)	(75)	251	(4,859)	(13,221)
Income tax provision (benefit)	126	20	(21)	(836)
Post-tax earnings (loss) from other equity method investments	5	(1)	1	15
Net earnings (loss)	(196)	230	(4,836)	(12,370)
Net loss attributable to non-controlling interests	(21)	(114)	(1,543)	(6,739)
Net earnings (loss) attributable to Walgreens Boots Alliance, Inc.	$ (175)	$ 344	$ (3,293)	$ (5,631)
Net earnings (loss) per common share:
Basic (in dollars per share)	$ (0.20)	$ 0.40	$ (3.81)	$ (6.53)
Net earnings (loss) per common share:
Diluted (in dollars per share)	$ (0.20)	$ 0.40	$ (3.81)	$ (6.53)
Weighted average common shares outstanding:
Basic (in shares)	864.9	863.1	864.3	862.9
Diluted (in shares)	864.9	864.3	864.3	862.9