Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

December 31 (in millions)	Weighted Average Original Useful Life at December 31, 2011		2011		2010
Cable distribution system	11 years	$	28,781	$	27,727
Customer premises equipment	6 years		23,552		21,716
Vehicles and other equipment	6 years		6,001		4,392
Buildings and building improvements	20 years		4,830		1,981
Land	-		923		204
Property and equipment, at cost			64,087		56,020
Less: Accumulated depreciation			36,528		32,505
Property and equipment, net		$	27,559	$	23,515

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. 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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