Property, Equipment and Technology, Net (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Total property, equipment and technology	$ 3,081	$ 2,749
Accumulated depreciation and amortization	(1,447)	(1,208)
Property, equipment and technology, net	1,634	1,541
Land [Member]
Total property, equipment and technology	71	71
Building
Total property, equipment and technology	751	719
Construction in Progress [Member]
Total property, equipment and technology	837	755
Construction in Progress [Member]
Total property, equipment and technology	69	89
Technology Assets [Member]
Total property, equipment and technology	$ 1,353	$ 1,115

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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