Profit Or Loss [Abstract]

Air France-KLM - Filing #2816887

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	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
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	—	—	14,315,000,000 EUR	—	11,088,000,000 EUR	—	—	—	—	—	—
Employee benefits expense	—	—	—	—	—	—	—	5 340 EUR	—	5 306 EUR	—	—	—	—	—	—
Profit (loss) from operating activities	—	—	—	—	—	—	—	2 532 EUR	—	6 030 EUR	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	27,000,000 EUR	—	58,000,000 EUR	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	—	—	3 549 EUR	—	6 958 EUR	—	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	—	—	282,000,000 EUR	—	89,000,000 EUR	—	—	—	—	—	—
Profit (loss)	3,292,000,000 EUR	2,000,000 EUR	- EUR	- EUR	- EUR	3,292,000,000 EUR	- EUR	3 294 EUR	- EUR	7 105 EUR	5,000,000 EUR	- EUR	- EUR	7,100,000,000 EUR	- EUR	7,100,000,000 EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	—	—	3 292 EUR	—	7 100 EUR	—	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	—	—	—	2,000,000 EUR	—	5,000,000 EUR	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	—	—	—	—	—	—	5.95	—	16.61	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	—	—	—	5.95	—	16.61	—	—	—	—	—	—