Financial Data by Business Segment (Tables)

3 Months Ended

Mar. 31, 2012

Financial Data By Business Segment [Abstract]

Financial Data by Business Segment

		Three Months Ended March 31, 2012
(in millions)			Revenue(f)		Operating Income (Loss) Before Depreciation and Amortization(g)		Depreciation and Amortization		Operating Income (Loss)		Capital Expenditures
Cable Communications(a)		$	9,599	$	3,955	$	1,602	$	2,353	$	1,056
NBCUniversal
	Cable Networks		2,138		805		178		627		9
	Broadcast Television		1,851		(10)		21		(31)		8
	Filmed Entertainment		1,192		6		4		2		1
	Theme Parks		412		157		62		95		47
	Headquarters and Other(d)		12		(146)		48		(194)		46
	Eliminations(e)		(133)		1		(1)		2		-
NBCUniversal			5,472		813		312		501		111
Corporate and Other			174		(64)		14		(78)		7
Eliminations(e)			(367)		(16)		2		(18)		-
Comcast Consolidated		$	14,878	$	4,688	$	1,930	$	2,758	$	1,174
		Three Months Ended March 31, 2011
(in millions)			Revenue(f)		Operating Income (Loss) Before Depreciation and Amortization(g)		Depreciation and Amortization		Operating Income (Loss)		Capital Expenditures
Cable Communications(a)		$	9,084	$	3,749	$	1,621	$	2,128	$	1,053
NBCUniversal
	Cable Networks(b)		1,632		665		153		512		12
	Broadcast Television		888		35		21		14		5
	Filmed Entertainment		622		(143)		4		(147)		1
	Theme Parks(c)		275		97		28		69		12
	Headquarters and Other(d)		11		(96)		22		(118)		17
	Eliminations(e)		(285)		(100)		(22)		(78)		-
NBCUniversal			3,143		458		206		252		47
Corporate and Other			188		(141)		16		(157)		6
Eliminations(e)			(287)		-		(1)		1		-
Comcast Consolidated		$	12,128	$	4,066	$	1,842	$	2,224	$	1,106

Cable Segment Revenue Sources

		Three Months Ended
		March 31
		2012		2011
Residential:
	Video	51.8	%	53.8	%
	High-speed Internet	24.2	%	23.2	%
	Voice	9.1	%	9.5	%
Business services		5.6	%	4.3	%
Advertising		5.0	%	5.0	%
Other		4.3	%	4.2	%
Total		100	%	100	%