Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property and Equipment

December 31 (in millions)	Weighted-Average Original Useful LifeAs of December 31, 2014			2014		2013
Cable distribution system	11	years	$	31,655	$	30,498
Customer premise equipment	6	years		27,086		25,949
Other equipment	6	years		7,860		6,826
Buildings and leasehold improvements	22	years		8,650		8,057
Land		N/A		1,112		1,084
Property and equipment, at cost				76,363		72,414
Less: Accumulated depreciation				45,410		42,574
Property and equipment, net			$	30,953	$	29,840

NBCUniversal Media, LLC [Member]

Property and Equipment

December 31 (in millions)	Weighted-Average Original Useful LifeAs of December 31, 2014			2014		2013
Buildings and leasehold improvements	21	years	$	5,780	$	5,239
Furniture, fixtures and equipment	7	years		2,930		2,383
Construction in process		N/A		775		828
Land		N/A		820		799
Property and equipment, at cost				10,305		9,249
Less: Accumulated depreciation				2,167		1,599
Property and equipment, net			$	8,138	$	7,650