v2.4.0.6
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value Measurements [Abstract]  
Fair Value Assets and Liabilities Measured on Recurring Basis
Recurring Fair Value Measures
 Fair Value as of
 June 30, 2012 December 31, 2011
(in millions)  Level 1 Level 2 Level 3 Total  Total
Assets           
Trading securities$ 3,381$ -$ -$ 3,381 $ 2,895
Interest rate swap agreements  -  235  -  235   246
Available-for-sale securities  92  18  21  131   131
Foreign exchange contracts  -  14  -  14   10
Equity warrants  -  -  2  2   2
Total$ 3,473$ 267$ 23$ 3,763 $ 3,284
Liabilities           
Derivative component of prepaid forward sale agreements and indexed debt instruments$ -$ 1,683$ -$ 1,683 $ 1,234
Contractual obligations  -  -  984  984   1,004
Contingent consideration  -  -  598  598   583
Cross-currency swap agreements  -  90  -  90   69
Foreign exchange contracts  -  8  -  8   8
Total$ -$ 1,781$ 1,582$ 3,363 $ 2,898
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, 2011$ 1,004$ 583
Acquisition accounting adjustments  (20)  -
Fair value adjustments  41  41
Payments  (41)  (26)
Balance, June 30, 2012$ 984$ 598