| Total assets | 46.4B | 40.9B | 37.2B | 27.8B | 
                
                        | Current assets | 25.2B | 20.8B | 18.7B | 16.1B | 
                
                        | Cash | 401.7M | 862.5M | — | 1.0B | 
                
                        | Cash equivalents | 151.1M | 134.9M | — | -15.4M | 
                
                        | Cash and cash equivalents | 401.7M | 997.4M | 1.2B | 1.0B | 
                
                        | Other short term investments | 129.4M | 317.8M | 555.0M | -12.8M | 
                
                        | Accounts receivable | 11.8B | 9.8B | 8.2B | 7.6B | 
                
                        | Other receivables | 727.5M | 147.6M | 222.6M | 489.9M | 
                
                        | Inventory | 10.8B | 7.8B | 7.2B | 5.4B | 
                
                        | Prepaid assets | 1.4B | 1.7B | — | 1.5B | 
                
                        | Restricted cash | 46.0M | 44.1M | — | 104.4M | 
                
                        | Assets held for sale | — | — | — | — | 
                
                        | Hedging assets | — | — | — | — | 
                
                        | Other current assets | 1.2B | 1.7B | 1.3B | 1.4B | 
                
                        | Non current assets | 21.1B | 20.2B | 18.5B | 11.7B | 
                
                        | Properties | 18.0B | 16.9B | 12.3B | 8.1B | 
                
                        | Land and improvements | 2.5B | 2.5B | — | 1.7B | 
                
                        | Machinery furniture equipment | 17.3B | 15.5B | — | 7.4B | 
                
                        | Construction in progress | 550.2M | 647.4M | 3.3B | 1.1B | 
                
                        | Leases | — | — | — | — | 
                
                        | Accumulated depreciation | -5.5B | -4.2B | — | -2.8B | 
                
                        | Goodwill | 70.0M | 81.6M | 92.5M | 107.0M | 
                
                        | Investment properties | — | — | — | — | 
                
                        | Financial assets | — | — | — | — | 
                
                        | Intangible assets | 70.0M | 81.6M | 92.5M | 107.0M | 
                
                        | Investments and advances | — | — | — | — | 
                
                        | Other non current assets | 554.3M | 174.2M | 531.6M | 846.3M | 
                
                        | Total liabilities | 18.9B | 16.6B | 15.1B | 7.5B | 
                
                        | Current liabilities | 15.4B | 12.1B | 11.0B | 6.5B | 
                
                        | Accounts payable | 3.1B | 2.7B | 2.7B | 3.0B | 
                
                        | Accrued expenses | — | — | — | — | 
                
                        | Short term debt | 8.6B | 4.7B | 4.2B | 1.9B | 
                
                        | Deferred revenue | — | — | — | — | 
                
                        | Tax payable | 5.7M | 19.5M | 42K | 7.6M | 
                
                        | Pensions | 249.6M | 201.8M | — | 56.6M | 
                
                        | Other current liabilities | 1.8B | 357K | 1.6B | 1.2B | 
                
                        | Non current liabilities | 3.4B | 4.4B | 4.1B | 1.0B | 
                
                        | Long term provisions | — | — | 121.3M | 111.1M | 
                
                        | Long term debt | 2.4B | 3.5B | 3.3B | 124.7M | 
                
                        | Provision for risks and charges | 1.8M | 1.8M | — | 890K | 
                
                        | Deferred liabilities | 985.1M | 919.4M | 777.5M | 769.0M | 
                
                        | Derivative product liabilities | — | — | — | — | 
                
                        | Other non current liabilities | — | — | — | — | 
                
                        | Shareholders equity |  |  |  |  | 
                
                        | Common stock | 267.6M | 267.4M | 267.3M | 267.3M | 
                
                        | Retained earnings | 19.2B | 16.2B | — | 12.2B | 
                
                        | Other shareholders equity | — | — | — | — | 
                
                        | Total shareholders equity | 27.5B | 24.4B | 22.1B | 20.3B | 
                
                        | Additional paid in capital | 4.0B | 3.9B | — | 3.8B | 
                
                        | Treasury stock | — | — | — | — | 
                
                        | Minority interest | — | — | — | — |