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Basis of Presentation (Details) (USD $)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2010
Organization, Consolidation and Presentation of Financial Statements [Abstract]     
TDS' ownership percentage of U.S. Cellular84.00% 84.00%  
Agent liability$ 44,200,000 $ 44,200,000 $ 71,300,000
Amounts recorded gross in revenues that are billed to customers and remitted to governmental authorities$ 30,300,000$ 34,100,000$ 92,700,000$ 105,400,000