CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net Earnings	$ 932	$ 2,060	$ 2,049	$ 2,937
Other comprehensive income (loss), net of tax:
Pension/postretirement obligations	(2)	(8)	1	(9)
Unrealized gain (loss) on cash flow hedges	1	0	2	(12)
Unrecognized gain (loss) on available-for-sale investments	(88)	90	(87)	189
Share of other comprehensive income (loss) of Alliance Boots	0	92	0	113
Currency translation adjustments	(1,156)	(301)	(1,606)	(490)
Total Other Comprehensive Income (Loss)	(1,245)	(127)	(1,690)	(209)
Total Comprehensive Income (Loss)	(313)	1,933	359	2,728
Comprehensive income (loss) attributable to noncontrolling interests	(33)	13	(27)	40
Comprehensive Income (Loss) Attributable to Walgreens Boots Alliance, Inc.	$ (280)	$ 1,920	$ 386	$ 2,688

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount before tax of other comprehensive income (loss) attributable to noncontrolling interests.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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