v2.4.0.8
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Assets and Liabilities Measured on Recurring Basis
Recurring Fair Value Measures
  Fair Value as of December 31, 2013  Fair Value as of December 31, 2012
(in millions)  Level 1 Level 2 Level 3 Total  Level 1 Level 2 Level 3 Total
Assets                 
Trading securities$ 3,956$ -$ -$ 3,956 $ 4,027$ -$ -$ 4,027
Available-for-sale securities  260  118  11  389   367  76  21  464
Interest rate swap agreements  -  110  -  110   -  210  -  210
Other  -  80  1  81   -  36  2  38
Total$ 4,216$ 308$ 12$ 4,536 $ 4,394$ 322$ 23$ 4,739
Liabilities                 
Derivative component of prepaid forward sale agreements and indexed debt instruments$ -$ 2,816$ -$ 2,816 $ -$ 2,305$ -$ 2,305
Contractual obligations    -  747  747   -  -  1,055  1,055
Contingent consideration  -  -  684  684   -  -  587  587
Other  -  16  -  16   -  14  -  14
Total$ -$ 2,832$ 1,431$ 4,263 $ -$ 2,319$ 1,642$ 3,961
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Changes in Contractual Obligations and Contingent Consideration
(in millions) Contractual Obligations Contingent Consideration
Balance, December 31, 2012$ 1,055$ 587
Fair value adjustments  158  106
Payments  (83)  (214)
Redemption Transaction (see Note 4 for additional information)  -  205
Liberty Media transaction (see Note 6 for additional information)  (383)  -
Balance, December 31, 2013$ 747$ 684
NBCUniversal Media, LLC [Member]
 
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Changes in Contractual Obligations
Successor (in millions)  
Balance, December 31, 2012$ 1,055
Fair value adjustments  158
Payments  (83)
Liberty Media transaction   (383)
Balance, December 31, 2013$ 747