Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income	$ 2,080	$ 2,175	$ 4,304	$ 4,316
Unrealized gains (losses) on marketable securities, net of deferred taxes	1	0	3	0
Deferred gains (losses) on cash flow hedges, net of deferred taxes	(60)	22	(91)	(17)
Amounts reclassified to net income:
Realized (gains) losses on marketable securities, net of deferred taxes	0	0	(1)	0
Realized (gains) losses on cash flow hedges, net of deferred taxes	45	(27)	62	10
Employee benefit obligations, net of deferred taxes	0	0	2	0
Currency translation adjustments, net of deferred taxes	249	32	487	(23)
Comprehensive income	2,315	2,202	4,766	4,286
Net (income) loss attributable to noncontrolling interests and redeemable subsidiary preferred stock	(52)	(38)	(142)	(120)
Other comprehensive (income) loss attributable to noncontrolling interests	(150)	(5)	(287)	10
Comprehensive income attributable to Parent	2,113	2,159	4,337	4,176
NBCUniversal Media LLC [Member]
Net income	975	944	2,057	1,862
Deferred gains (losses) on cash flow hedges, net of deferred taxes	6	(18)	(12)	(6)
Amounts reclassified to net income:
Employee benefit obligations, net of deferred taxes	0	0	4	0
Currency translation adjustments, net of deferred taxes	307	47	602	(31)
Comprehensive income	1,288	973	2,651	1,825
Net (income) loss attributable to noncontrolling interests	(42)	(32)	(122)	(98)
Other comprehensive (income) loss attributable to noncontrolling interests	(150)	(5)	(287)	10
Comprehensive income attributable to Parent	$ 1,096	$ 936	$ 2,242	$ 1,737