12. Investments in entities consolidated according to the equity method and other financial assets
  | 
      
  | 
      Investments in affiliates  | 
      
  | 
      Investments in associates  | 
      
  | 
      Investments in joint ventures  | 
      
  | 
      Other investments  | 
      
  | 
      Securities  | 
      
  | 
      Loans granted  | 
      
  | 
      Advance payments  | 
      
  | 
      Total  | 
    
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
    
Gross carrying amount  | 
      
  | 
      17.5  | 
      
  | 
      109.4  | 
      
  | 
      3.2  | 
      
  | 
      54.9  | 
      
  | 
      3.3  | 
      
  | 
      18.2  | 
      
  | 
      0.2  | 
      
  | 
      206.7  | 
    
Accumulated depreciation/revaluation  | 
      
  | 
      –6.8  | 
      
  | 
      –0.2  | 
      
  | 
      0.0  | 
      
  | 
      –16.8  | 
      
  | 
      0.1  | 
      
  | 
      –0.8  | 
      
  | 
      0.0  | 
      
  | 
      –24.5  | 
    
Carrying amount as of April 1, 2016  | 
      
  | 
      10.7  | 
      
  | 
      109.2  | 
      
  | 
      3.2  | 
      
  | 
      38.1  | 
      
  | 
      3.4  | 
      
  | 
      17.4  | 
      
  | 
      0.2  | 
      
  | 
      182.2  | 
    
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
    
Gross carrying amount  | 
      
  | 
      14.3  | 
      
  | 
      109.6  | 
      
  | 
      3.8  | 
      
  | 
      55.0  | 
      
  | 
      2.1  | 
      
  | 
      17.9  | 
      
  | 
      0.1  | 
      
  | 
      202.8  | 
    
Accumulated depreciation/revaluation  | 
      
  | 
      –6.0  | 
      
  | 
      –0.4  | 
      
  | 
      0.0  | 
      
  | 
      –17.0  | 
      
  | 
      0.3  | 
      
  | 
      –0.7  | 
      
  | 
      0.0  | 
      
  | 
      –23.8  | 
    
Carrying amount as of March 31, 2017  | 
      
  | 
      8.3  | 
      
  | 
      109.2  | 
      
  | 
      3.8  | 
      
  | 
      38.0  | 
      
  | 
      2.4  | 
      
  | 
      17.2  | 
      
  | 
      0.1  | 
      
  | 
      179.0  | 
    
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
    
Gross carrying amount  | 
      
  | 
      14.1  | 
      
  | 
      114.4  | 
      
  | 
      4.6  | 
      
  | 
      47.9  | 
      
  | 
      1.1  | 
      
  | 
      6.7  | 
      
  | 
      0.2  | 
      
  | 
      189.0  | 
    
Accumulated depreciation/revaluation  | 
      
  | 
      –6.5  | 
      
  | 
      –0.5  | 
      
  | 
      0.0  | 
      
  | 
      –12.0  | 
      
  | 
      0.3  | 
      
  | 
      –0.7  | 
      
  | 
      0.0  | 
      
  | 
      –19.4  | 
    
Carrying amount as of March 31, 2018  | 
      
  | 
      7.6  | 
      
  | 
      113.9  | 
      
  | 
      4.6  | 
      
  | 
      35.9  | 
      
  | 
      1.4  | 
      
  | 
      6.0  | 
      
  | 
      0.2  | 
      
  | 
      169.6  | 
    
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
      
  | 
    
In millions of euros  | 
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