Condensed Consolidated Statement of Income (NBCUniversal) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue	$ 16,791,000,000	$ 16,151,000,000	$ 51,043,000,000	$ 47,731,000,000
Costs and Expenses:
Programming and production	4,772,000,000	4,787,000,000	15,554,000,000	14,418,000,000
Other operating and administrative	5,019,000,000	4,751,000,000	14,695,000,000	13,787,000,000
Advertising, marketing and promotion	1,296,000,000	1,283,000,000	3,748,000,000	3,737,000,000
Depreciation	1,539,000,000	1,520,000,000	4,707,000,000	4,669,000,000
Amortization	420,000,000	396,000,000	1,222,000,000	1,204,000,000
Total costs and expenses	13,046,000,000	12,737,000,000	39,926,000,000	37,815,000,000
Operating income	3,745,000,000	3,414,000,000	11,117,000,000	9,916,000,000
Other Income (Expense):
Interest expense	(663,000,000)	(639,000,000)	(1,953,000,000)	(1,928,000,000)
Investment income (loss), net	21,000,000	464,000,000	254,000,000	549,000,000
Equity in net income (losses) of investees, net	33,000,000	(130,000,000)	87,000,000	(96,000,000)
Other income (expense), net	(96,000,000)	(310,000,000)	(150,000,000)	(280,000,000)
Nonoperating income (expense)	(705,000,000)	(615,000,000)	(1,762,000,000)	(1,755,000,000)
Income before income taxes	3,040,000,000	2,799,000,000	9,355,000,000	8,161,000,000
Income tax expense	(407,000,000)	(1,021,000,000)	(2,759,000,000)	(2,994,000,000)
Net income	2,633,000,000	1,778,000,000	6,596,000,000	5,167,000,000
Net income attributable to Parent	2,592,000,000	1,732,000,000	6,455,000,000	4,903,000,000
N B C Universal Media L L C [Member]
Revenue	5,921,000,000	5,851,000,000	18,813,000,000	17,186,000,000
Costs and Expenses:
Programming and production	2,633,000,000	2,803,000,000	9,117,000,000	8,496,000,000
Other operating and administrative	1,363,000,000	1,251,000,000	3,977,000,000	3,623,000,000
Advertising, marketing and promotion	509,000,000	547,000,000	1,558,000,000	1,673,000,000
Depreciation	160,000,000	160,000,000	498,000,000	467,000,000
Amortization	211,000,000	192,000,000	608,000,000	578,000,000
Total costs and expenses	4,876,000,000	4,953,000,000	15,758,000,000	14,837,000,000
Operating income	1,045,000,000	898,000,000	3,055,000,000	2,349,000,000
Other Income (Expense):
Interest expense	(125,000,000)	(129,000,000)	(381,000,000)	(386,000,000)
Investment income (loss), net	3,000,000	1,000,000	18,000,000	9,000,000
Equity in net income (losses) of investees, net	20,000,000	(132,000,000)	49,000,000	(105,000,000)
Other income (expense), net	(59,000,000)	(298,000,000)	(136,000,000)	(386,000,000)
Nonoperating income (expense)	(161,000,000)	(558,000,000)	(450,000,000)	(868,000,000)
Income before income taxes	884,000,000	340,000,000	2,605,000,000	1,481,000,000
Income tax expense	(51,000,000)	(62,000,000)	(189,000,000)	(162,000,000)
Net income	833,000,000	278,000,000	2,416,000,000	1,319,000,000
Net (income) loss attributable to noncontrolling interests	(31,000,000)	(42,000,000)	(118,000,000)	(105,000,000)
Net income attributable to Parent	$ 802,000,000	$ 236,000,000	$ 2,298,000,000	$ 1,214,000,000