CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,035)	$ (12,322)	$ (4,640)	$ (12,600)
Other comprehensive income (loss), net of tax:
Pension/post-retirement obligations	4	34	7	90
Unrealized gain on cash flow hedges and other	0	0	1	5
Net investment hedges gain (loss)	2	(1)	94	2
Share of other comprehensive income (loss) of equity method investments	(15)	48	15	33
Cumulative translation adjustments	1	19	(204)	(35)
Total other comprehensive income (loss)	(8)	100	(88)	95
Total comprehensive loss	(4,044)	(12,222)	(4,728)	(12,505)
Comprehensive loss attributable to non-controlling interests	(1,182)	(6,413)	(1,527)	(6,626)
Comprehensive loss attributable to Walgreens Boots Alliance, Inc.	$ (2,862)	$ (5,809)	$ (3,201)	$ (5,879)