Statement Of Financial Position [Abstract]

Fluxys Belgium SA - Filing #3156017

Concept	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	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 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 financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	1,902,037,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,011,209,000 EUR	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	33,527,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	36,467,000 EUR	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	23,891,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	28,207,000 EUR	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	50,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	50,000 EUR	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	366,931,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	377,359,000 EUR	—	—	—	—	369,005,000 EUR	—	—	—	—
Assets	—	—	2,634,514,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,730,039,000 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Equity attributable to owners of parent	—	—	639,674,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	639,038,000 EUR	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—	—
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	662,677,000 EUR	38,000 EUR	560,643,000 EUR	0 EUR	60,272,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	147,488,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	152,546,000 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	2,634,514,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,730,039,000 EUR	—	—	—	—	—	—	—	—	—