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Time Warner Cable Shareholders' Equity (Details) (USD $)
In Millions
1 Months Ended 6 Months Ended 10 Months Ended
Jul. 31, 2011
Jun. 30, 2011
Jun. 30, 2010
Oct. 29, 2010
Common Stock Repurchase Program        
Value of common stock authorized to be repurchased       $ 4,000
Shares repurchased and retired (in shares)   23.5    
Value of common stock repurchased and retired   1,693    
Shares repurchased and retired that settled in the next quarterly period (in shares) 0.6      
Payments for stock repurchased and retired 45 1,691 0  
Remaining value of common stock authorized to be repurchased   $ 1,793