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Debt (Tables)
 6 Months Ended
Jun. 30, 2011
Debt [Abstract]  
Schedule Of Long Term Debt By Maturity [Table Text Block]
The following table summarizes scheduled maturities of our debt, including current maturities, at June 30, 2011:
Years Ending December 31,
(in millions)
Total Secured and Unsecured Debt
Amortization of Debt Discount, net
 
Six months ending December 31, 2011
$
880


$
(103
)
 
2012
1,838


(203
)
 
2013
1,568


(166
)
 
2014
2,305


(111
)
 
2015
1,425


(76
)
 
Thereafter
6,723


(188
)
 
Total
$
14,739


$
(847
)
$
13,892