15 Provisions for risks and charges
Provisions for risks and charges, which amount to €669 million (€707 million at 31 December 2016) are analysed in the table below:
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      30.06.2017  | 
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  | 
      
  | 
      
  | 
      Utilization  | 
      
  | 
      
  | 
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(€ millions)  | 
      Opening balance  | 
      Provisions  | 
      Increases due to passing of time  | 
      against charges  | 
      for excess  | 
      Changes in estimates  | 
      Final balance  | 
    
Provision for site dismantling and restoration  | 
      628  | 
      
  | 
      5  | 
      (3)  | 
      
  | 
      (41)  | 
      589  | 
    
Provision for environmental risks and charges  | 
      2  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      2  | 
    
Provision for litigation  | 
      14  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      14  | 
    
Other provisions for risks and charges  | 
      63  | 
      3  | 
      
  | 
      (2)  | 
      
  | 
      
  | 
      64  | 
    
  | 
      707  | 
      3  | 
      5  | 
      (5)  | 
      
  | 
      (41)  | 
      669  | 
    
The reduction in the provision for risks and charges (-€38 million) essentially involves the provision for site dismantling and restoration in the storage segment (-€26 million) and the transportation segment (-€13 million) as a result of the reduction in anticipated discount rates.