CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Statement of Comprehensive Income [Abstract]
Net (loss) earnings	$ (12,322)	$ 544	$ (12,600)	$ (3,272)
Other comprehensive income, net of tax:
Pension/post-retirement obligations	34	(5)	90	(10)
Unrealized (loss) gain on cash flow hedges and other	0	(1)	5	(3)
Net investment hedges (loss) gain	(1)	(43)	2	(73)
Share of other comprehensive income of equity method investments	48	88	33	92
Cumulative translation adjustments	19	124	(35)	147
Total other comprehensive income	100	164	95	153
Total comprehensive (loss) income	(12,222)	707	(12,505)	(3,118)
Comprehensive loss attributable to non-controlling interests	(6,413)	(157)	(6,626)	(251)
Comprehensive (loss) income attributable to Walgreens Boots Alliance, Inc.	$ (5,809)	$ 864	$ (5,879)	$ (2,868)