CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (196)	$ 230	$ (4,836)	$ (12,370)
Other comprehensive income, net of tax:
Pension/post-retirement obligations	4	(5)	11	85
Unrealized gain (loss) on cash flow hedges	(1)	0	0	5
Net investment hedges loss and other	(149)	(8)	(55)	(6)
Share of other comprehensive income (loss) of equity method investments	20	(4)	35	29
Cumulative translation adjustments	338	21	133	(14)
Total other comprehensive income	212	5	124	100
Total comprehensive income (loss)	16	235	(4,713)	(12,270)
Comprehensive loss attributable to non-controlling interests	(11)	(112)	(1,539)	(6,739)
Comprehensive income (loss) attributable to Walgreens Boots Alliance, Inc.	$ 27	$ 347	$ (3,174)	$ (5,532)