Analysis Of Income And Expense [Abstract]

ENGIE - Filing #2817315

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	—	—	57 866 EUR	—	44 306 EUR	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Expense of restructuring activities	—	—	—	—	—	—	—	—	204,000,000 EUR	—	257,000,000 EUR	—	—	—	—	—	—	—	—	—
Income from continuing operations attributable to owners of parent	—	—	—	—	—	—	—	—	3 582 EUR	—	1 384 EUR	—	—	—	—	—	—	—	—	—
Income from discontinued operations attributable to owners of parent	—	—	—	—	—	—	—	—	79,000,000 EUR	—	153,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from continuing operations attributable to non-controlling interests	—	—	—	—	—	—	—	—	96,000,000 EUR	—	642,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from discontinued operations attributable to non-controlling interests	—	—	—	—	—	—	—	—	1,000,000 EUR	—	2,000,000 EUR	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	—	—	7 692 EUR	—	7 503 EUR	—	—	—	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	—	—	1 028 EUR	—	3 502 EUR	—	—	—	—	—	—	—	—	—
Tax expense other than income tax expense	—	—	—	—	—	—	—	—	1 479 EUR	—	1 207 EUR	—	—	—	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	—	800,000,000 EUR	—	553,000,000 EUR	—	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract]
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	—	—	—	—	—	—	—	—	- EUR	—	75,000,000 EUR	—	—	—	—	—	—	—	—	—
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	—	—	—	—	—	—	—	—	270,000,000 EUR	—	387,000,000 EUR	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	—	—	—	451,000,000 EUR	—	378,000,000 EUR	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	—	—	—	—	—	1 333 EUR	—	136,000,000 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	56,000,000 EUR	EUR	9 415 EUR	EUR	- EUR	3 431 EUR	833,000,000 EUR	EUR	9 471 EUR	5 151 EUR	3 882 EUR	- EUR	242,000,000 EUR	- EUR	2 535 EUR	EUR	1 752 EUR	163,000,000 EUR	EUR	4 046 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	9 415 EUR	—	4 046 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	56,000,000 EUR	—	163,000,000 EUR	—	—	—	—	—	—	—	—	—