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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowance (in dollars) $ 76 $ 62
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 1 1
Common stock, shares issued, owned by CenturyLink 1 1