v2.4.0.6
Investments (Tables)
 3 Months Ended
Mar. 31, 2013
Investments  
Investment Summary
   March 31, December 31,
(in millions) 2013 2012
Fair Value Method$ 4,939$ 4,493
Equity Method:    
 The Weather Channel  474  471
 Other  714  693
    1,188  1,164
Cost Method:    
 AirTouch  1,541  1,538
 Other  606  594
    2,147  2,132
Total investments  8,274  7,789
Less: Current investments  2,841  1,464
Noncurrent investments$ 5,433$ 6,325
Investment Income (Loss), Net
Investment Income (Loss), Net
  Three Months Ended
  March 31
(in millions)20132012
Gains on sales and exchanges of investments, net$ 35$ 7
Investment impairment losses  (9)  (12)
Unrealized gains (losses) on securities underlying prepaid forward sale agreements  605  516
Mark to market adjustments on derivative component of prepaid forward sale    
 agreements and indexed debt instruments  (602)  (470)
Interest and dividend income  30  29
Other, net  13  22
Investment income (loss), net$ 72$ 92
Prepaid Forward Sale Agreements
Prepaid Forward Sale Agreements
  March 31,December 31,
(in millions)20132012
Assets:    
 Fair value equity securities held$ 4,540$ 4,143
      
Liabilities:    
 Obligations under prepaid forward sale agreements$ 1,125$ 1,248
 Derivative component of prepaid forward sale agreements  2,888  2,302
Total liabilities$ 4,013$ 3,550