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Statements of Consolidated Cash Flows (Parenthetical)
Jun. 30, 2013
Jun. 30, 2012
Debt instrument stated interest rate 8.00% 8.00%
6% Convertible Senior Notes
   
Debt instrument stated interest rate 6.00% 6.00%
United Airlines, Inc.
   
Debt instrument stated interest rate 8.00% 8.00%