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Contributions from and (distributions to) noncontrolling interests.

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Profit or loss as represented on the statement of changes in equity.

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Equity impact related to the acquisition of Universal Studios Japan

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Represents an increase in non-controlling interest from issuance of additional equity interests to non-controlling interest holders or the sale of a portion of the parent's controlling interest and the impact on additional paid in capital.

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Changes in equity and temporary equity resulting from the purchase of GE's common equity interest in NBCUniversal related to the Redemption Transaction.

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Represents the change in dollar amount due to the Class A Special Common Stock Reclassification

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The cash distribution to NBCUniversal Holdings associated with the redemption transaction.

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Represents an increase in temporary equity related to the consolidation of redeemable subsidiary preferred stock.

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount of ownership interest in a limited liability company (LLC), including portions attributable to both the parent and noncontrolling interests.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.

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Consolidated Statement of Changes in Equity - USD ($) $ in Millions	Total	NBCUniversal Media LLC [Member]	Redeemable Noncontrolling Interests And Redeemable Subsidiary Preferred Stock [Member]	Class A Common Stock [Member]	Class A Special Common Stock [Member]	Class B Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock at Cost [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] NBCUniversal Media LLC [Member]	Noncontrolling Interests [Member]	Noncontrolling Interests [Member] NBCUniversal Media LLC [Member]	Redeemable Noncontrolling Interest [Member] NBCUniversal Media LLC [Member]	Member's Capital [Member] NBCUniversal Media LLC [Member]
Beginning Balance at Dec. 31, 2012	$ 49,796		$ 16,998	$ 25	$ 6	$ 0	$ 40,547	$ 16,280	$ (7,517)	$ 15		$ 440
Beginning balance at Dec. 31, 2012		$ 32,254									$ (65)		$ 419	$ 131	$ 31,900
Stock compensation plans	232						603	(371)
Repurchases and retirements of common stock	(2,000)				(1)		(555)	(1,444)
Employee stock purchase plans	98						98
Compensation Plans		7													7
Redemption Transaction Distribution		3,200													(3,200)
Dividends declared	(2,046)	(1,422)						(2,046)							(1,422)
Other comprehensive income (loss)	67	49	(9)							67	49
Purchase of NBCUniversal noncontrolling common equity interest	(1,677)		(17,006)				(1,651)			(26)
Purchase of subsidiary shares from noncontrolling interests, net		(33)													(33)
Redeemable subsidiary preferred stock			725
Contributions from (distributions to) noncontrolling interests, net	(136)	(155)	(22)									(136)	(155)	(22)
Other	(210)	(275)	70				(152)					(58)	(111)	102	(164)
Net income (loss)	6,934	2,102	201					6,816				118	134	20	1,968
Ending balance at Dec. 31, 2013		29,327									(16)		287	231	29,056
Ending Balance at Dec. 31, 2013	51,058		957	$ 25	5	0	38,890	19,235	(7,517)	56		364
Stock compensation plans	299						732	(433)
Repurchases and retirements of common stock	(4,251)						(928)	(3,323)
Employee stock purchase plans	118						118
Redemption Transaction Distribution		0
Dividends declared	(2,320)	(1,641)						(2,320)							(1,641)
Other comprehensive income (loss)	(202)	(143)								(202)	(143)
Issuance of subsidiary shares to noncontrolling interests	11		85									11		85
Contributions from (distributions to) noncontrolling interests, net	(132)	(152)	(19)									(132)	(152)	(24)
Other	(29)	(13)	(33)				(7)					(22)	(12)		(1)
Net income (loss)	8,516	3,259	76					8,380				136	144	38	3,115
Ending balance at Dec. 31, 2014		30,637									(159)		267	330	30,529
Ending Balance at Dec. 31, 2014	53,068		1,066	$ 25	5	0	38,805	21,539	(7,517)	(146)		357
Stock compensation plans	337						739	(402)
Repurchases and retirements of common stock	(6,750)				(1)		(1,345)	(5,404)
Employee stock purchase plans	136						136
Redemption Transaction Distribution		0
Dividends declared	(2,483)	(1,385)						(2,483)							(1,385)
Contribution from member		252													252
Other comprehensive income (loss)	(57)	(82)								(28)	(53)	(29)	(29)
Contributions from (distributions to) noncontrolling interests, net	(146)	(159)	11									(146)	(159)	(30)
Reclassification of Class A Special common stock	0			4	(4)
Universal Studios Japan	1,440	1,429										1,440	1,440		(11)
Other	106	31	58				183					(77)	(4)	28	35
Net income (loss)	8,327	3,580	86					8,163				164	166	44	3,414
Ending balance at Dec. 31, 2015		$ 34,303									$ (212)		$ 1,681	$ 372	$ 32,834
Ending Balance at Dec. 31, 2015	$ 53,978		$ 1,221	$ 29	$ 0	$ 0	$ 38,518	$ 21,413	$ (7,517)	$ (174)		$ 1,709