v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Trading securities $ 3,956 $ 4,027
Available-for-sale Securities 389 464
Interest rate swap agreements 110 210
Other [assets] 81 38
Fair value, assets measured on recurring basis, total 4,536 4,739
Derivative component of prepaid forward sale agreements and indexed debt instruments 2,816 2,305
Contractual obligations 747 1,055
Contingent consideration 684 587
Other [liabilities] 16 14
Fair value liabilities measured on recurring basis 4,263 3,961
Fair Value, Inputs, Level 1 [Member]
    
Trading securities 3,956 4,027
Available-for-sale Securities 260 367
Fair value, assets measured on recurring basis, total 4,216 4,394
Fair Value, Inputs, Level 2 [Member]
    
Available-for-sale Securities 118 76
Interest rate swap agreements 110 210
Other [assets] 80 36
Fair value, assets measured on recurring basis, total 308 322
Derivative component of prepaid forward sale agreements and indexed debt instruments 2,816 2,305
Other [liabilities] 16 14
Fair value liabilities measured on recurring basis 2,832 2,319
Fair Value, Inputs, Level 3 [Member]
    
Available-for-sale Securities 11 21
Other [assets] 1 2
Fair value, assets measured on recurring basis, total 12 23
Contractual obligations 747 1,055
Contingent consideration 684 587
Fair value liabilities measured on recurring basis $ 1,431 $ 1,642