Goodwill and Intangible Assets (Tables)

6 Months Ended

Feb. 29, 2012

Notes to Financial Statements [Abstract]

Schedule of Goodwill [Text Block]

Changes in the carrying amount of goodwill consist of the following activity (In millions):

Net book value – March 1, 2011
Goodwill	$	1,926
Accumulated impairment losses		(28	)
Total		1,898
Acquisitions		132
Other		(13	)
Net book value – August 31, 2011		2,017
Acquisitions		37
Other		24
Net book value – February 29, 2012	$	2,078

Schedule of Finite-Lived Intangible Assets by Major Class [Text Block]

The carrying amount and accumulated amortization of intangible assets consists of the following (In millions):

	February 29, 2012			August 31, 2011			February 28, 2011
Gross Intangible Assets
Purchased prescription files	$	901		$	913		$	795
Favorable lease interests		385			385			385
Purchasing and payer contracts		308			308			303
Non-compete agreements		110			95			85
Trade names		188			71			44
Other amortizable intangible assets		4			4			5
Total gross intangible assets		1,896			1,776			1,617
Accumulated amortization
Purchased prescription files		(372	)		(338	)		(309	)
Favorable lease interests		(94	)		(76	)		(58	)
Purchasing and payer contracts		(106	)		(94	)		(81	)
Non-compete agreements		(47	)		(43	)		(39	)
Trade names		(22	)		(11	)		(7	)
Other amortizable intangible assets		(2	)		(2	)		(2	)
Total accumulated amortization		(643	)		(564	)		(496	)
Total intangible assets, net	$	1,253		$	1,212		$	1,121