Cash flows from (used in) investing activities [abstract] Aramis Sas [Member] Aramis Sas Increase (Decrease) In Cash From Held For Sale Increase (Decrease) In Cash From Held For Sale Cash Flows From (Used In) Increase (Decrease) In Securities Cash Flows From (Used In) Increase (Decrease) In Securities Property, Plant And Equipment Including Right of use Assets Property, Plant And Equipment Including Right of use Assets Disclosure of entity's operating segments [text block] Other Comprehensive Income, Before Tax, Financial Assets Measured At Fair Value Through Other Comprehensive Income Recognised In Equity Other Comprehensive Income, Before Tax, Financial Assets Measured At Fair Value Through Other Comprehensive Income Recognised In Equity Cash flows from (used in) operating activities Cash Flows Used In Obtaining Control Of Subsidiaries Or Other Businesses And Purchase Of Interest Accounted For Using Equity Method, Classified As Investing Activities Cash Flows Used In Obtaining Control Of Subsidiaries Or Other Businesses And Purchase Of Interest Accounted For Using Equity Method, Classified As Investing Activities Proceeds (Payments) From Sale (Purchase) Of Treasury Shares Cash flows from (used in) financing activities Proceeds From Disposal Of Shares In Consolidated Companies And Of Investments In Non-Consolidated Companies Proceeds From Disposal Of Shares In Consolidated Companies And Of Investments In Non-Consolidated Companies Increase (Decrease) In Carrying Amount Of Leased Vehicles Increase (Decrease) In Carrying Amount Of Leased Vehicles Net Change In Receivables From Financing Activities Net Change In Receivables From Financing Activities Increase (Decrease) From Dividends Received, Net Of Shares In Net Result Of Equity Method Investments, Classified As Operating Activites Increase (Decrease) From Dividends Received, Net Of Shares In Net Result Of Equity Method Investments, Classified As Operating Activites Change In Amounts Payable, Property, Plant And Equipement And Intangible Assets Change In Amounts Payable, Property, Plant And Equipement And Intangible Assets Retained Earnings And Other Reserves [Member] Retained Earnings And Other Reserves Cash flows from (used in) investing activities Cash Flows From (Used In) Increase (Decrease) In Short-Term Debt, Other Financial Assets And Liabilities Cash Flows From (Used In) Increase (Decrease) In Short-Term Debt, Other Financial Assets And Liabilities Intangible Assets With Indefinite Useful Life And Goodwill Intangible Assets With Indefinite Useful Life And Goodwill Increase (decrease) in cash and cash equivalents Cash Flows From (Used In) Increase (Decrease) In Non-Current Borrowings Cash Flows From (Used In) Increase (Decrease) In Non-Current Borrowings Current Assets Sold With A Buy-Back Commitment Current Assets Sold With A Buy-Back Commitment Other Comprehensive Income, Before Tax, Cash Flow Hedges Recognised In Equity During Period Other Comprehensive Income, Before Tax, Cash Flow Hedges Recognised In Equity During Period Investments In Property, Plant And Equipment And Intangible Assets Investments In Property, Plant And Equipment And Intangible Assets Increase (Decrease) Through Merger, Equity Increase (Decrease) Through Merger, Equity