Statement Of Changes In Equity [Abstract]

Fluxys Belgium SA - Filing #3156017

Concept	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	521,796,000 EUR	54,072,000 EUR	—	639,674,000 EUR	0 EUR	—	3,496,000 EUR	639,674,000 EUR	0 EUR	38,000 EUR	60,272,000 EUR	—	—	—	542,537,000 EUR	0 EUR	—	639,038,000 EUR	60,272,000 EUR	—	0 EUR	—	17,881,000 EUR	54,072,000 EUR	38,000 EUR	—	639,038,000 EUR	—	—	662,677,000 EUR	0 EUR	54,072,000 EUR	12,348,000 EUR	38,000 EUR	662,677,000 EUR	560,643,000 EUR	0 EUR	60,272,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	—	—	—	—	—	75,521,000 EUR	—	73,237,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	—	—	—	21,377,000 EUR	—	5,533,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	96,898,000 EUR	—	—	21,377,000 EUR	—	—	—	—	—	96,898,000 EUR	75,521,000 EUR	67,704,000 EUR	—	—	5,533,000 EUR	—	—	73,237,000 EUR	—	0 EUR	—	—	—	—	—	0 EUR	67,704,000 EUR	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	96,262,000 EUR	—	—	—	—	—	—	—	—	96,262,000 EUR	96,262,000 EUR	91,343,000 EUR	—	—	—	—	—	91,343,000 EUR	—	—	—	—	—	0 EUR	—	—	91,343,000 EUR	—	—	—	—	—	—	—	—	—