Condensed Consolidated Statement of Income (NBCUniversal) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue	$ 16,844,000,000	$ 16,270,000,000	$ 34,252,000,000	$ 31,580,000,000
Costs and Expenses:
Programming and production	4,874,000,000	4,968,000,000	10,782,000,000	9,631,000,000
Other operating and administrative	4,924,000,000	4,570,000,000	9,676,000,000	9,036,000,000
Advertising, marketing and promotion	1,242,000,000	1,307,000,000	2,452,000,000	2,454,000,000
Depreciation	1,599,000,000	1,583,000,000	3,168,000,000	3,149,000,000
Amortization	401,000,000	407,000,000	802,000,000	808,000,000
Total costs and expenses	13,040,000,000	12,835,000,000	26,880,000,000	25,078,000,000
Operating income	3,804,000,000	3,435,000,000	7,372,000,000	6,502,000,000
Other Income (Expense):
Interest expense	(648,000,000)	(636,000,000)	(1,290,000,000)	(1,289,000,000)
Investment income (loss), net	120,000,000	13,000,000	233,000,000	85,000,000
Equity in net income (losses) of investees, net	22,000,000	23,000,000	54,000,000	34,000,000
Other income (expense), net	(39,000,000)	(43,000,000)	(54,000,000)	30,000,000
Nonoperating income (expense)	(545,000,000)	(643,000,000)	(1,057,000,000)	(1,140,000,000)
Income before income taxes	3,259,000,000	2,792,000,000	6,315,000,000	5,362,000,000
Income tax expense	(1,234,000,000)	(1,048,000,000)	(2,352,000,000)	(1,973,000,000)
Net income	2,025,000,000	1,744,000,000	3,963,000,000	3,389,000,000
Net income attributable to Parent	1,992,000,000	1,734,000,000	3,863,000,000	3,171,000,000
N B C Universal Media L L C [Member]
Revenue	6,016,000,000	5,995,000,000	12,892,000,000	11,335,000,000
Costs and Expenses:
Programming and production	2,742,000,000	2,992,000,000	6,484,000,000	5,693,000,000
Other operating and administrative	1,340,000,000	1,204,000,000	2,614,000,000	2,372,000,000
Advertising, marketing and promotion	500,000,000	608,000,000	1,049,000,000	1,126,000,000
Depreciation	176,000,000	156,000,000	338,000,000	307,000,000
Amortization	194,000,000	193,000,000	397,000,000	386,000,000
Total costs and expenses	4,952,000,000	5,153,000,000	10,882,000,000	9,884,000,000
Operating income	1,064,000,000	842,000,000	2,010,000,000	1,451,000,000
Other Income (Expense):
Interest expense	(127,000,000)	(128,000,000)	(256,000,000)	(257,000,000)
Investment income (loss), net	9,000,000	5,000,000	15,000,000	8,000,000
Equity in net income (losses) of investees, net	11,000,000	16,000,000	29,000,000	27,000,000
Other income (expense), net	(41,000,000)	(46,000,000)	(77,000,000)	(88,000,000)
Nonoperating income (expense)	(148,000,000)	(153,000,000)	(289,000,000)	(310,000,000)
Income before income taxes	916,000,000	689,000,000	1,721,000,000	1,141,000,000
Income tax expense	(74,000,000)	(59,000,000)	(138,000,000)	(100,000,000)
Net income	842,000,000	630,000,000	1,583,000,000	1,041,000,000
Net (income) loss attributable to noncontrolling interests	(28,000,000)	(7,000,000)	(87,000,000)	(63,000,000)
Net income attributable to Parent	$ 814,000,000	$ 623,000,000	$ 1,496,000,000	$ 978,000,000