v2.4.0.8
Condensed Consolidated Statement of Comprehensive Income (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Net income $ 2,025,000,000 $ 1,744,000,000 $ 3,963,000,000 $ 3,389,000,000
Unrealized gains (losses) on marketable securities, net of deferred taxes 4,000,000 97,000,000 34,000,000 117,000,000
Deferred gains (losses) on cash flow hedges, net of deferred taxes 4,000,000 1,000,000 2,000,000 (35,000,000)
Amounts Reclassified To Net Income:        
Realized (gains) losses on marketable securities, net of deferred taxes (47,000,000)   (97,000,000) (23,000,000)
Realized (gains) losses on cash flow hedges, net of deferred taxes (17,000,000) 2,000,000 (20,000,000) 48,000,000
Employee benefit obligations, net of deferred taxes (1,000,000) 2,000,000 (1,000,000) 3,000,000
Currency translation adjustments, net of deferred taxes 10,000,000 (14,000,000) 12,000,000 (31,000,000)
Comprehensive income 1,978,000,000 1,832,000,000 3,893,000,000 3,468,000,000
Net (income) loss attributable to noncontrolling interests and redeemable subsidiary preferred stock (33,000,000) (10,000,000) (100,000,000) (218,000,000)
Other comprehensive (income) loss attributable to noncontrolling interests       9,000,000
Comprehensive income attributable to Parent 1,945,000,000 1,822,000,000 3,793,000,000 3,259,000,000
NBCUniversal Media, LLC [Member]
        
Net income 842,000,000 630,000,000 1,583,000,000 1,041,000,000
Unrealized gains (losses) on marketable securities, net of deferred taxes 5,000,000   5,000,000  
Deferred gains (losses) on cash flow hedges, net of deferred taxes (2,000,000)   (2,000,000)  
Amounts Reclassified To Net Income:        
Employee benefit obligations, net of deferred taxes   (1,000,000)   (1,000,000)
Currency translation adjustments, net of deferred taxes 15,000,000 (23,000,000) 18,000,000 (45,000,000)
Comprehensive income 860,000,000 606,000,000 1,604,000,000 995,000,000
Net (income) loss attributable to noncontrolling interests (28,000,000) (7,000,000) (87,000,000) (63,000,000)
Comprehensive income attributable to Parent $ 832,000,000 $ 599,000,000 $ 1,517,000,000 $ 932,000,000