Statement Of Financial Position [Abstract]

Fluxys Belgium SA - Filing #3156005

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 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]
Non-current assets [abstract]
Property, plant and equipment	—	—	1.902.037 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	2.011.209 EUR	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	33,527 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	36,467 EUR	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	23,891 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	28,207 EUR	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	50,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	50,000 EUR	—	—	—	—	—	—	—	—	—
Other non-current financial assets	—	—	88,642 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	109,506 EUR	—	—	—	—	—	—	—	—	—
Non-current assets	—	—	2.074.508 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	2.196.174 EUR	—	—	—	—	—	—	—	—	—
Current assets [abstract]
Current inventories	—	—	39,042 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	26,378 EUR	—	—	—	—	—	—	—	—	—
Trade and other current receivables	—	—	90,446 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	71,000 EUR	—	—	—	—	—	—	—	—	—
Current tax assets, current	—	—	1,473 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	5,108 EUR	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	366,931 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	377,359 EUR	—	—	—	—	—	369,005 EUR	—	—	—
Current assets	—	—	560,006 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	533,865 EUR	—	—	—	—	—	—	—	—	—
Assets	—	—	2.634.514 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	2.730.039 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Equity attributable to owners of parent	—	—	639,674 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	639,038 EUR	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—	—
Equity	521,796 EUR	54,072 EUR	639,674 EUR	3,496 EUR	639,674 EUR	38,000 EUR	0 EUR	60,272 EUR	542,537 EUR	0 EUR	639,038 EUR	60,272 EUR	0 EUR	17,881 EUR	54,072 EUR	38,000 EUR	639,038 EUR	662,677 EUR	0 EUR	54,072 EUR	12,348 EUR	38,000 EUR	662,677 EUR	560,643 EUR	0 EUR	60,272 EUR
Liabilities [abstract]
Non-current liabilities [abstract]
Non-current provisions [abstract]
Non-current provisions for employee benefits	—	—	60,517 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	70,631 EUR	—	—	—	—	—	—	—	—	—
Other non-current provisions	—	—	4,246 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	4,465 EUR	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	147,488 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	152,546 EUR	—	—	—	—	—	—	—	—	—
Other non-current financial liabilities	—	—	3,254 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	2,054 EUR	—	—	—	—	—	—	—	—	—
Non-current liabilities	—	—	1.775.473 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	1.819.250 EUR	—	—	—	—	—	—	—	—	—
Current liabilities [abstract]
Current provisions [abstract]
Current provisions for employee benefits	—	—	4,201 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	5,143 EUR	—	—	—	—	—	—	—	—	—
Other current provisions	—	—	3,069 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	875,000 EUR	—	—	—	—	—	—	—	—	—
Trade and other current payables	—	—	73,307 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	73,950 EUR	—	—	—	—	—	—	—	—	—
Current tax liabilities, current	—	—	2,148 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	4,146 EUR	—	—	—	—	—	—	—	—	—
Current liabilities	—	—	219,367 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	271,751 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	2.634.514 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	2.730.039 EUR	—	—	—	—	—	—	—	—	—