CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Comprehensive income:
Net earnings	$ 4,101	$ 4,191	$ 4,279
Other comprehensive income (loss), net of tax:
Pension/postretirement obligations	73	(241)	14
Unrealized gain (loss) on cash flow hedges	4	3	(13)
Unrecognized gain (loss) on available-for-sale investments	(2)	(257)	152
Share of other comprehensive income (loss) of equity method investments	(1)	(1)	113
Currency translation adjustments	(169)	(2,338)	(622)
Total other comprehensive (loss)	(95)	(2,834)	(356)
Total comprehensive income	4,006	1,357	3,923
Comprehensive income (loss) attributable to noncontrolling interests	(13)	(39)	53
Comprehensive income attributable to Walgreens Boots Alliance, Inc.	$ 4,019	$ 1,396	$ 3,870