Profit Or Loss [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
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	6 024 EUR	—	—	—	—	—	—	—	—	—	—	—	—	7 979 EUR	—	—	—	—	—	—	—	—	—
Other gains (losses)	—	15,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	323,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from operating activities	—	278,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 121 EUR	—	—	—	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	53,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	153,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) before tax	—	180,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 132 EUR	—	—	—	—	—	—	—	—	—
Tax expense (income)	—	208,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	228,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from continuing operations	—	28,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	904,000,000 EUR	—	—	—	—	—	—	—	—	—
Profit (loss) from discontinued operations	—	2 132 EUR	—	—	—	—	—	—	—	—	—	—	—	—	1 030 EUR	—	—	—	—	—	—	—	—	—
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
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share from continuing operations	—	36.00	—	—	—	—	—	—	—	—	—	—	—	—	858.00	—	—	—	—	—	—	—	—	—
Basic earnings (loss) per share from discontinued operations	—	2,045.00	—	—	—	—	—	—	—	—	—	—	—	—	979.00	—	—	—	—	—	—	—	—	—
Basic earnings (loss) per share	—	2,009.00	—	—	—	—	—	—	—	—	—	—	—	—	1,837.00	—	—	—	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share from continuing operations	—	35.00	—	—	—	—	—	—	—	—	—	—	—	—	855.00	—	—	—	—	—	—	—	—	—
Diluted earnings (loss) per share from discontinued operations	—	2,020.00	—	—	—	—	—	—	—	—	—	—	—	—	975.00	—	—	—	—	—	—	—	—	—
Diluted earnings (loss) per share	—	1,985.00	—	—	—	—	—	—	—	—	—	—	—	—	1,830.00	—	—	—	—	—	—	—	—	—