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Asset Write-Down Charges	12 Months Ended
Asset Write-Down Charges	Dec. 31, 2011
Asset Impairment Charges [Abstract]
Asset Write-Down Charges	Asset Write-Down Charges Wireless Infrastructure Write-Down Charges During the years ended December 31, 2011, 2010, and 2009, the Company abandoned or disposed of wireless infrastructure and wrote-off site acquisition and permitting costs for wireless infrastructure that would not be completed. For the years ended December 31, 2011, 2010, and 2009, the Company recorded related wireless infrastructure asset write-down charges at CCUSA of $15.8 million, $8.6 million and $18.3 million, respectively.