Equity (Tables)

12 Months Ended

Dec. 31, 2015

Changes in Common Stock

Shares of Common Stock Outstanding
(in millions)	A	A Special	B
Balance, December 31, 2012	2,122	508	9
Stock compensation plans	14	-	-
Repurchases and retirements of common stock	-	(49)	-
Employee stock purchase plans	2	-	-
Balance, December 31, 2013	2,138	459	9
Stock compensation plans	13	-	-
Repurchases and retirements of common stock	(22)	(59)	-
Employee stock purchase plans	2	-	-
Balance, December 31, 2014	2,131	400	9
Stock compensation plans	12	-	-
Repurchases and retirements of common stock	(62)	(54)	-
Employee stock purchase plans	2	-	-
Reclassification of Class A Special common stock	346	(346)	-
Other	4	-	-
Balance, December 31, 2015	2,433	-	9

Aggregate Share Repurchases

Share Repurchases
Year ended December 31 (in millions)		2015		2014		2013
Cash consideration	$	6,750	$	4,251	$	2,000
Shares repurchased		116		81		49

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated Other Comprehensive Income (Loss)
December 31 (in millions)		2015		2014
Unrealized gains (losses) on marketable securities	$	1	$	1
Deferred gains (losses) on cash flow hedges		(46)		(4)
Unrecognized gains (losses) on employee benefit obligations		6		(68)
Cumulative translation adjustments		(135)		(75)
Accumulated other comprehensive income (loss), net of deferred taxes	$	(174)	$	(146)

NBCUniversal Media LLC [Member]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated Other Comprehensive Income (Loss)
December 31 (in millions)	2015		2014
Deferred gains (losses) on cash flow hedges	$	(1)	$	20
Unrecognized gains (losses) on employee benefit obligations		(1)		(61)
Cumulative translation adjustments		(210)		(118)
Accumulated other comprehensive income (loss)	$	(212)	$	(159)