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Common Shareholders' Equity (Table)
12 Months Ended
Dec. 31, 2011
Stockholders' Equity Note [Abstract]  
Share repurchases
Year Ended December 31, Number of Shares Average Cost Per Share Amount
(Dollars and share amounts in thousands)      
2011       
 U.S. Cellular Common Shares 1,276 $48.82 $62,294
         
2010       
 U.S. Cellular Common Shares 1,235 $42.76 $52,827
         
2009       
 U.S. Cellular Common Shares 887 $37.86 $33,585