Consolidated Statement of Income (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Jan. 28, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011	Sep. 30, 2012
Consolidated Statement of Income
Revenue	$ 1,206	$ 6,822	$ 5,200	$ 13,290	$ 17,798
Costs and Expenses:
Operating costs and expenses	1,171	5,682	4,249	10,946	14,863
Depreciation	19	141	144	262	402
Amortization	8	196	188	511	567
Costs and Expenses, Total	1,198	6,019	4,581	11,719	15,832
Operating income	8	803	619	1,571	1,966
Other Income (Expense):
Equity in net income of investees, net	25	37	55	202	169
Interest expense	(37)	(117)	(114)	(278)	(348)
Interest income	4	9	6	13	20
Other income (expense), net	(29)	1,061	(9)	(52)	1,034
Nonoperating income (expense)	(37)	990	(62)	(115)	875
Income (loss) before income taxes	(29)	1,793	557	1,456	2,841
Income tax (expense) benefit	4	(72)	(56)	(149)	(154)
Net income (loss)	(25)	1,721	501	1,307	2,687
Net (income) loss attributable to noncontrolling interests	2	(49)	(32)	(118)	(117)
Net income (loss) attributable to NBCUniversal	$ (23)	$ 1,672	$ 469	$ 1,189	$ 2,570