CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Comprehensive income:
Net earnings	$ 1,349	$ 1,062	$ 2,171	$ 2,129
Other comprehensive income (loss), net of tax:
Pension/postretirement obligations	(2)	5	(2)	(4)
Unrealized gain on cash flow hedges	1	1	1	2
Unrecognized loss on available-for-sale investments	0	0	0	(1)
Share of other comprehensive loss of equity method investments	0	(4)	2	(5)
Currency translation adjustments	387	3	907	(852)
Total other comprehensive income (loss)	386	5	908	(860)
Total comprehensive income	1,735	1,067	3,079	1,269
Comprehensive income (loss) attributable to noncontrolling interests	6	5	21	(28)
Comprehensive income attributable to Walgreens Boots Alliance, Inc.	$ 1,729	$ 1,062	$ 3,058	$ 1,297