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Consolidated Balance Sheet (Parenthetical) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Property and equipment, net, accumulated depreciation	$ 980	$ 637
Intangible assets, net, accumulated amortization	$ 3,038	$ 2,462

- Definition

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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