Deferred tax assets Interest paid, classified as operating activities Statement of changes in equity [table] Assets Dividends recognised as distributions to owners Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Other inflows (outflows) of cash Comprehensive income [abstract] Other income Effect of exchange rate changes on cash and cash equivalents Components of equity [axis] Explicación del cambio en el nombre de la entidad que informa u otras formas de identificación desde el final del ejercicio sobre el que se informa precedente Intangible assets and goodwill Purchase of property, plant and equipment and purchase of investment property Purchase of property, plant and equipment and purchase of investment property Purchase of property, plant and equipment and purchase of investment property Increase (decrease) in cash and cash equivalents Impairment loss recognised in profit or loss, on disposal of fixed assets Impairment loss recognised in profit or loss, on disposal of fixed assets Impairment loss recognised in profit or loss, on disposal of fixed assets Investment property Non-controlling interests Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Adjustments for depreciation and amortisation expense Current financial liabilities and current derivative financial assets Current financial liabilities and current derivative financial assets Deuda financiera y derivados corrientes Non-current liabilities Reclassification adjustments on cash flow hedges, before tax, Full consolidation method Reclassification adjustments on cash flow hedges, before tax, Full consolidation method Reclassification adjustments on cash flow hedges, before tax, Full consolidation method Profit loss of the year Profit loss of the year Profit loss of the year Inflows of cash from investing activities Reclassification adjustments on cash flow hedges, before tax Share premium and reserves [Member] Share premium and reserves [Member] Share premium and reserves Change in fair value of financial instrument Change in fair value of financial instrument Change in fair value of financial instrument Presentada actualmente [miembro] Other equity interest [member] Interest received Proceeds from borrowings Incremento (decremento) debido a cambios en la política contable y la corrección de los errores de ejercicios anteriores [miembro] Basic earnings (loss) per share from continuing operations Other comprehensive income, before tax, exchange differences on translation full consolidation method Other comprehensive income, before tax, exchange differences on translation full consolidation method Other comprehensive income, before tax, exchange differences on translation full consolidation method Increase (decrease) through share-based payment transactions, equity Other inflows (outflows) of cash Other comprehensive income, before tax, exchange differences on translation Non-controlling interests [member] Other cash flows from financing activities Other cash flows from financing activities Other cash flows from financing activities Cash flows from (used in) operating activities [abstract] Share premium Other intangible assets Equity and liabilities [abstract] Liabilities [abstract] Adjustments for increase (decrease) in trade and other payables Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax Issued capital Assets [abstract] Country of incorporation Other cash flows from operating activities Other cash flows from operating activities Other cash flows from operating activities Other reserves Increase (decrease) through other changes, equity Tax expense (income) Non-current liabilities [abstract] Income taxes paid, classified as operating activities Adjustments for decrease increase in other current assets and in other current liabilities Adjustments for decrease increase in other current assets and in other current liabilities Adjustments for decrease increase in other current assets and in other current liabilities Revenue From Non Regulated Activities Revenue From Non Regulated Activities Revenue From Non Regulated Activities Profit (loss) [abstract] Current liabilities Non-current assets Issued capital [member] Principal place of business Trade and other current payables Tax effect on reclassification adjustments on companies accounted for using the full consolidation method that will be reclassified to Profit or Loss Tax effect on reclassification adjustments on companies accounted for using the full consolidation method that will be reclassified to Profit or Loss Tax effect on reclassification adjustments on companies accounted for using the full consolidation method, that will be reclassified to Profit or Loss Other current financial assets Profit (loss) from continuing operations Other comprehensive income that will be reclassified to profit or loss, net of tax Profit (loss) from continuing operations attributable to non-controlling interests Investments accounted for using equity method Interim Dividend Interim Dividend Dividendo activo a cuenta Finance costs Property, plant and equipment Other cash flows from investing activities Other cash flows from investing activities Other cash flows from investing activities Tax effect on gains losses on companies accounted for using the full consolidation method Tax effect on gains losses on companies accounted for using the full consolidation method Tax effect on gains losses on companies accounted for using the full consolidation method Equity attributable to owners of parent Current tax assets Other non-current financial assets Other non-current liabilities Comprehensive income, attributable to owners of parent Profit (loss) from operating activities Domicile of entity Other comprehensive income, before tax, gains (losses) on hedging instruments that hedge investments in equity instruments Presentada previamente [miembro] Comprehensive income Comprehensive income Equity Equity at beginning of period Equity at end of period Patrimonio neto atribuible a los propietarios de la dominante [miembro] Other comprehensive income that will not be reclassified to profit or loss, net of tax Basic earnings per share [abstract] Non-current provisions Adjustments for decrease (increase) in trade and other receivables Proceeds from and payments on financial liabilities Proceeds from and payments on financial liabilities Proceeds from and payments on financial liabilities Inventories Address of entity's registered office Current provisions Legal form of entity Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss Adjustments to reconcile profit (loss) Adquisición de instrumentos financieros, clasificada como actividades de inversión Equity [abstract] Non-current assets [abstract] Adjustments for decrease (increase) in inventories Name of reporting entity or other means of identification Adjustments for decrease increase in other non current assets and in other non current liabilities Adjustments for decrease increase in other non current assets and in other non current liabilities Adjustments for decrease increase in other non current assets and in other non current liabilities Increase (decrease) through changes in consolidation scope Increase (decrease) through changes in consolidation scope Increase (decrease) through changes in consolidation scope Nombre de la dominante Cash flows from (used in) investing activities Foreign exchange gain (loss) Revenue Current liabilities [abstract] Non-current assets or disposal groups classified as held for sale Nombre de la dominante última del grupo Equity [member] Profit (loss) before tax Profit (loss) before tax Current assets Interim Dividend Enagas [Member] Interim Dividend Enagas [Member] Interim Dividend Enagas Cash and cash equivalents [abstract] Dividends paid, classified as financing activities Share of profit (loss) of associates and joint ventures accounted for using equity method Statement of changes in equity [line items] Profit loss from financing activities Profit loss from financing activities Profit loss from financing activities Other expenses Adjustments changes in value [Member] Adjustments changes in value [Member] Adjustments changes in value Aplicación y reexpresión retroactivas [eje] Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax Cash flows from (used in) financing activities Profit and Loss [Member] Profit and Loss [Member] Profit and Loss Depreciation and amortisation expense Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash flows from (used in) investing activities [abstract] Comprehensive income, attributable to non-controlling interests Non current financial liabilities and non current derivative financial assets Non current financial liabilities and non current derivative financial assets Deuda financiera y derivados no corrientes Other comprehensive income, before tax, cash flow hedges Current tax liabilities Increase (decrease) through transactions with owners, equity Total Other comprehensive income on companies accounted for using the full consolidation method Total Other comprehensive income on companies accounted for using the full consolidation method Total Other comprehensive income on companies accounted for using the full consolidation method Cash flows from losing control of subsidiaries or other businesses Adjustments to reconcile profit (loss) other than changes in working capital Diluted earnings (loss) per share from continuing operations Finance income Cash flows from (used in) financing activities [abstract] Treasury shares Description of nature of entity's operations and principal activities Profit (loss), attributable to owners of parent Goodwill Treasury shares [member] AdjustmentsForChangesInValue Adjustments For Changes In Value Ajustes por cambio de valor Reclassification adjustments on companies accounted for using the full consolidation method reclassified to profit and losseclassifiedToProfitandLoss Reclassification adjustments on companies accounted for using the full consolidation method reclassified to profit and loss Reclassification adjustments on companies accounted for using the full consolidation method reclassified to profit and loss Outflows of cash from investing activities Repayments of borrowings, classified as financing activities Increase (decrease) through transactions between equity items Increase (decrease) through transactions between equity items Increase (decrease) through transactions between equity items Other Changes Other Changes Other Changes Other equity interest Trade and other current receivables Profit (loss), attributable to [abstract] Cobros por la enajenación o disposición por otra vía de activos no corrientes o grupos enajenables de elementos clasificados como mantenidos para la venta y actividades interrumpidas Cash flows from (used in) operating activities Current assets [abstract] Comprehensive income, attributable to non-controlling interests, attributable to results Comprehensive income, attributable to non-controlling interests, attributable to results Comprehensive income, attributable to non-controlling interests, attributable to results Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] Increase (decrease) in working capital Income tax relating to components of other comprehensive income that will be reclassified to profit or loss Employee benefits expense Revenue From Regulated Activities Revenue From Regulated Activities Revenue From Regulated Activities Deferred tax liabilities Equity and liabilities