CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Comprehensive income:
Net earnings	$ 424	$ 3,962	$ 5,031
Other comprehensive income (loss), net of tax:
Pension/postretirement obligations	(700)	(149)	240
Unrealized gain on cash flow hedges	(6)	5	3
Net investment hedges (see note 15)	(90)	55	0
Share of other comprehensive income (loss) of equity method investments	(14)	(1)	5
Currency translation adjustments	958	(820)	(198)
Total other comprehensive income (loss)	148	(909)	50
Total comprehensive income	572	3,053	5,081
Comprehensive income (loss) attributable to noncontrolling interests	(10)	(33)	8
Comprehensive income attributable to Walgreens Boots Alliance, Inc.	$ 582	$ 3,086	$ 5,073