Property and Equipment (Tables)

12 Months Ended

Jul. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

Property and equipment consisted of the following at the dates indicated:

	Life in	July 31,
(Dollars in millions)	Years	2018			2017
Equipment	3-5	$	479		$	579
Computer software	2-6	812			749
Furniture and fixtures	5	88			82
Leasehold improvements	3-16	325			310
Land	NA	79			81
Buildings	5-30	363			547
Capital in progress	NA	48			71
		2,194			2,419
Less accumulated depreciation and amortization		(1,382		)	(1,389		)
Total property and equipment, net		$	812		$	1,030

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NA = Not Applicable