CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2021	Feb. 29, 2020
Comprehensive income:
Net earnings	$ 1,025	$ 952	$ 726	$ 1,793
Other comprehensive income (loss), net of tax:
Pension/postretirement obligations	(2)	(1)	9	(9)
Unrealized gain (loss) on cash flow hedges	9	1	13	1
Net investment hedges	(49)	21	(56)	(21)
Share of other comprehensive income (loss) of equity method investments	15	4	20	(5)
Currency translation adjustments	413	(119)	490	539
Total other comprehensive income	385	(94)	476	505
Total comprehensive income (loss)	1,410	857	1,202	2,299
Comprehensive income attributable to noncontrolling interests	8	5	19	17
Comprehensive income attributable to Walgreens Boots Alliance, Inc.	$ 1,402	$ 852	$ 1,183	$ 2,281