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Leases (Tables) (Consumers Energy Company [Member])
12 Months Ended
Dec. 31, 2011
Consumers Energy Company [Member]
 
Schedule of Rent Expense
Schedule of Future Minimum Lease Payments for Leases

Presented in the following table are the minimum annual rental commitments under Consumers' non-cancelable leases at December 31, 2011. All of CMS Energy's non-cancelable leases at December 31, 2011 were attributable to Consumers.

     Capital
Leases
     Finance
Lease1
     Operating
Leases
 
     In Millions  

CONSUMERS

        

2012

   $ 20       $ 20       $ 27   

2013

     13         20         24   

2014

     11         19         22   

2015

     12         18         22   

2016

     8         17         17   

2017 and thereafter

     39         79         68   
  

 

 

    

 

 

    

 

 

 

Total minimum lease payments

   $ 103       $ 173       $ 180   
        

Less imputed interest

     46         39      
  

 

 

    

 

 

    

Present value of net minimum lease payments

   $ 57       $ 134      

Less current portion

     11         13      
  

 

 

    

 

 

    

Non-current portion

   $ 46       $ 121