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Income Taxes, Expense Reconciliation (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income tax expense reconciliation      
Statutory federal income tax expense $ 109,500,000 $ 84,400,000 $ 122,200,000
State income taxes, net of federal benefit 5,200,000 [1] 5,000,000 [1] 100,000 [1]
Effect of noncontrolling interests (4,900,000) (4,600,000) (4,800,000)
Correction of deferred taxes 5,400,000 [2]    
Other differences, net (1,100,000) (2,800,000) 400,000
Total income tax expense $ 114,078,000 $ 81,958,000 $ 117,850,000
[1] Net state income taxes include changes in the valuation allowance. These changes primarily relate to the ability to utilize state net operating losses as a result of state income tax law changes.
[2] U.S. Cellular recorded an immaterial adjustment to correct deferred tax balances related to a difference in the tax basis of certain partnership investments for errors occurring prior to 2009.