Annual report pursuant to Section 13 and 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details)

v2.4.0.6
Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Investments in available-for-sale securities $ 1,168 $ 1,110
Time Warner Inc [Member]
   
Investments in available-for-sale securities 787 701
Time Warner Cable Inc [Member]
   
Investments in available-for-sale securities 348 361
Other AFS Debt Securities [Member]
   
Investments in available-for-sale securities $ 33 $ 48