Exit and disposal activities (Tables)

12 Months Ended

Aug. 31, 2017

Restructuring and Related Activities [Abstract]

Restructuring costs and reserves

Restructuring costs by segment are as follows (in millions):

	Retail Pharmacy
Fiscal 2017	USA		International		Pharmaceutical Wholesale		Consolidated
Asset impairments	$	272	$	21	$	2	$	295
Real estate costs	372		—		—		372
Severance and other business transition and exit costs	87		46		35		168
Total restructuring costs	$	731	$	67	$	37	$	835
Fiscal 2016
Asset impairments	$	215	$	10	$	—	$	225
Real estate costs	89		1		1		91
Severance and other business transition and exit costs	70		18		20		108
Total restructuring costs	$	374	$	29	$	21	$	424
Fiscal 2015
Asset impairments	$	216	$	7	$	—	$	223
Real estate costs	219		—		—		219
Severance and other business transition and exit costs	105		12		—		117
Total restructuring costs	$	540	$	19	$	—	$	559

The changes in accrued expenses and other liabilities related to the Cost Transformation Program include the following (in millions):

	Asset impairments			Real estate costs			Severance and other business transition and exit costs			Total
Balance at August 31, 2016	$	—		$	248		$	27		$	275
Restructuring costs	295			372			168			835
Payments	—			(99		)	(119		)	(218		)
Other - non cash	(295		)	—			—			(295		)
Currency translation adjustments	—			—			3			3
Balance at August 31, 2017	$	—		$	521		$	79		$	600