Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Feb. 28, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill by reportable segment consist of the following (in millions):

	Retail Pharmacy USA		Retail Pharmacy International			Pharmaceutical Wholesale			Walgreens Boots Alliance, Inc.
August 31, 2016	$	9,036	$	3,369		$	3,122		$	15,527
Currency translation adjustments	—		(146		)	(167		)	(313		)
February 28, 2017	$	9,036	$	3,223		$	2,955		$	15,214

Schedule of Finite-Lived Intangible Assets by Major Class

The carrying amount and accumulated amortization of intangible assets consist of the following (in millions):

	February 28, 2017		August 31, 2016
Gross Amortizable Intangible Assets
Customer relationships and loyalty card holders	$	1,764	$	1,867
Purchased prescription files	718		932
Favorable lease interests and non-compete agreements	542		619
Trade names and trademarks	509		532
Purchasing and payer contracts	61		94
Total gross amortizable intangible assets	3,594		4,044
Accumulated amortization
Customer relationships and loyalty card holders	$	328	$	275
Purchased prescription files	415		600
Favorable lease interests and non-compete agreements	344		388
Trade names and trademarks	129		105
Purchasing and payer contracts	39		71
Total accumulated amortization	1,255		1,439
Total amortizable intangible assets, net	$	2,339	$	2,605
Indefinite lived Intangible Assets
Trade names and trademarks	$	5,323	$	5,604
Pharmacy licenses	1,988		2,093
Total indefinite lived intangible assets	$	7,311	$	7,697
Total intangible assets, net	$	9,650	$	10,302

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated annual amortization expense for intangible assets recorded at February 28, 2017 is as follows (in millions):

	2017		2018		2019		2020		2021
Estimated annual amortization expense	$	357	$	326	$	295	$	236	$	194