Analysis Of Income And Expense [Abstract]

Solvay SA - Filing #3206687

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
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	—	36,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	16,000,000 EUR	—	—	—	—	—	—	—	—	—
Revenue	—	6 024 EUR	—	—	—	—	—	—	—	—	—	—	—	—	7 979 EUR	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Income from continuing operations attributable to owners of parent	—	37,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	890,000,000 EUR	—	—	—	—	—	—	—	—	—
Income from discontinued operations attributable to owners of parent	—	2 130 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 015 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from continuing operations attributable to non-controlling interests	—	9,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	14,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from discontinued operations attributable to non-controlling interests	—	2,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	14,000,000 EUR	—	—	—	—	—	—	—	—	—
Research and development expense	—	47,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	46,000,000 EUR	—	—	—	—	—	—	—	—	—
Finance income (cost)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other finance income (cost)	—	6,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	27,000,000 EUR	—	—	—	—	—	—	—	—	—
Interest expense	—	71,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	54,000,000 EUR	—	—	—	—	—	—	—	—	—
Expense arising from passage of time on other provisions	—	62,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	22,000,000 EUR	—	—	—	—	—	—	—	—	—
Sales and marketing expense	—	100,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	94,000,000 EUR	—	—	—	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	53,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	153,000,000 EUR	—	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract]
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	—	—	—	—	—	—	—	—	—
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	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income	—	2,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	67,000,000 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
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 owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	1 902 EUR	—	—	—	—	—	—	—	—	—	—	—	—	2 351 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	11,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	30,000,000 EUR	—	—	—	—	—	—	—	—	—