Statement Of Comprehensive Income [Abstract]

Solvay SA - Filing #3206698

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- EUR	2 105 EUR	- EUR	2 093 EUR	- EUR	12,000,000 EUR	- EUR	2 093 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	1 934 EUR	1 905 EUR	29,000,000 EUR	- EUR	- EUR	1 905 EUR	- EUR	- EUR	- EUR	- EUR
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) from investments in equity instruments	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	25,000,000 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	30,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	155,000,000 EUR	—	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income that will not be reclassified to profit or loss, before tax	—	30,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	130,000,000 EUR	—	—	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	138,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	284,000,000 EUR	—	—	—	—	—	—	—	—	—
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	228,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	80,000,000 EUR	—	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax	—	202,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	21,000,000 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, before tax	—	164,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	384,000,000 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income	- EUR	192,000,000 EUR	76,000,000 EUR	191,000,000 EUR	0 EUR	1,000,000 EUR	- EUR	- EUR	- EUR	65,000,000 EUR	- EUR	179,000,000 EUR	- EUR	- EUR	447,000,000 EUR	- EUR	2,000,000 EUR	- EUR	73,000,000 EUR	446,000,000 EUR	19,000,000 EUR	88,000,000 EUR	- EUR	304,000,000 EUR
Comprehensive income	- EUR	1 913 EUR	76,000,000 EUR	1 902 EUR	0 EUR	11,000,000 EUR	- EUR	2 093 EUR	- EUR	65,000,000 EUR	- EUR	179,000,000 EUR	- EUR	- EUR	2 382 EUR	1 905 EUR	30,000,000 EUR	- EUR	73,000,000 EUR	2 351 EUR	19,000,000 EUR	88,000,000 EUR	- EUR	304,000,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	1 902 EUR	—	—	—	—	—	—	—	—	—	—	—	—	2 351 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	11,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	30,000,000 EUR	—	—	—	—	—	—	—	—	—