Statement Of Financial Position [Abstract]

Solvay SA - Filing #3207100

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 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 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	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	—	—	4 943 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4 717 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	466,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	405,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	—	—	3 379 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3 265 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	2 103 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 141 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	637,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	495,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	779,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	788,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	941,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 002 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	20 049 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	16 792 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	1 588 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 588 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	1 170 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 170 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	112,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	106,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	232,000,000 EUR	5 467 EUR	8 851 EUR	1 786 EUR	3,000,000 EUR	5 982 EUR	23,000,000 EUR	421,000,000 EUR	1 170 EUR	112,000,000 EUR	645,000,000 EUR	1 588 EUR	4 985 EUR	106,000,000 EUR	14,000,000 EUR	1 588 EUR	1 786 EUR	4 439 EUR	919,000,000 EUR	286,000,000 EUR	1 153 EUR	1 170 EUR	7 304 EUR	12,000,000 EUR	1 789 EUR	6 462 EUR	454,000,000 EUR	274,000,000 EUR	21,000,000 EUR	756,000,000 EUR	10,000,000 EUR	1 588 EUR	1 170 EUR	9 625 EUR	111,000,000 EUR	6 757 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	462,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	487,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	110,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	20 049 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	16 792 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—