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Common Stockholder's Equity (Tables)
3 Months Ended
Mar. 31, 2012
Stockholders' Equity Note [Abstract]  
Share repurchases
Three Months Ended March 31,Number of Shares Average Cost Per Share Amount
(Dollars and shares in thousands, except cost per share)      
2012        
 U.S. Cellular Common Shares $ $
 TDS Common Shares    
         
2011        
 U.S. Cellular Common Shares357 $48.61 $17,357
 TDS Common Shares    
 TDS Special Common Shares407  28.49  11,603