Statement Of Financial Position [Abstract]

Compagnie de Saint-Gobain - Filing #883081

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 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	—	—	—	—	11 663 EUR	—	—	—	—	—	—	—	—	—	—	—	—	11 072 EUR	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	11 181 EUR	—	—	—	—	—	—	—	—	—	—	—	—	10 028 EUR	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	2 705 EUR	—	—	—	—	—	—	—	—	—	—	—	—	2 505 EUR	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	—	536,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	462,000,000 EUR	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	576,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	665,000,000 EUR	—	—	—	—	—	—	—	—	—
Non-current assets	—	—	—	—	31 042 EUR	—	—	—	—	—	—	—	—	—	—	—	—	28 479 EUR	—	—	—	—	—	—	—	—	—
Current assets [abstract]
Current inventories	—	—	—	—	6 598 EUR	—	—	—	—	—	—	—	—	—	—	—	—	5 362 EUR	—	—	—	—	—	—	—	—	—
Current tax assets, current	—	—	—	—	166,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	147,000,000 EUR	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	6 943 EUR	—	—	—	—	—	—	—	—	—	—	—	—	8 443 EUR	—	—	—	—	4 987 EUR	—	—	—	—
Current assets	—	—	—	—	20 542 EUR	—	—	—	—	—	—	—	—	—	—	—	—	20 147 EUR	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	51 584 EUR	—	—	—	—	—	—	—	—	—	—	—	—	48 626 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Equity attributable to owners of parent	—	—	—	—	20 715 EUR	—	—	—	—	—	—	—	—	—	—	—	—	17 892 EUR	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	411,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	311,000,000 EUR	—	—	—	—	—	—	—	—	—
Equity	204,000,000 EUR	16 244 EUR	16,000,000 EUR	4 544 EUR	21 126 EUR	20 715 EUR	411,000,000 EUR	1 949 EUR	2 096 EUR	13 687 EUR	311,000,000 EUR	17 892 EUR	2 131 EUR	5 104 EUR	48,000,000 EUR	125,000,000 EUR	2 857 EUR	18 203 EUR	19 416 EUR	364,000,000 EUR	1 467 EUR	743,000,000 EUR	19 780 EUR	5 551 EUR	12 518 EUR	108,000,000 EUR	2 179 EUR
Liabilities [abstract]
Non-current liabilities [abstract]
Non-current provisions [abstract]
Non-current provisions for employee benefits	—	—	—	—	2 014 EUR	—	—	—	—	—	—	—	—	—	—	—	—	2 629 EUR	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	555,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	360,000,000 EUR	—	—	—	—	—	—	—	—	—
Non-current liabilities	—	—	—	—	15 303 EUR	—	—	—	—	—	—	—	—	—	—	—	—	16 575 EUR	—	—	—	—	—	—	—	—	—
Current liabilities [abstract]
Current tax liabilities, current	—	—	—	—	236,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	175,000,000 EUR	—	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	—	—	—	—	167,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	501,000,000 EUR	—	—	—	—	—	—	—	—	—
Current liabilities	—	—	—	—	15 155 EUR	—	—	—	—	—	—	—	—	—	—	—	—	13 848 EUR	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	51 584 EUR	—	—	—	—	—	—	—	—	—	—	—	—	48 626 EUR	—	—	—	—	—	—	—	—	—