Statement Of Financial Position [Abstract]

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Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of financial position [abstract]
Assets [abstract]
Non-current assets [abstract]
Right-of-use assets	—	—	—	—	—	—	—	7 592 EUR	—	—	—	5 956 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	—	—	—	226,000,000 EUR	—	—	—	224,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	—	—	—	1 150 EUR	—	—	—	1 128 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	—	—	—	—	216,000,000 EUR	—	—	—	129,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	—	662,000,000 EUR	—	—	—	698,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other non-current financial assets	—	—	—	—	—	—	—	1 369 EUR	—	—	—	1 262 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current assets	—	—	—	—	—	—	—	25 570 EUR	—	—	—	22 675 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current assets [abstract]
Current inventories	—	—	—	—	—	—	—	959,000,000 EUR	—	—	—	853,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other current financial assets	—	—	—	—	—	—	—	1 190 EUR	—	—	—	1 292 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	—	4 829 EUR	—	—	—	6 194 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current assets or disposal groups classified as held for sale or as held for distribution to owners	—	—	—	—	—	—	—	47,000,000 EUR	—	—	—	82,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current assets	—	—	—	—	—	—	—	10 585 EUR	—	—	—	11 815 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	—	—	—	36 155 EUR	—	—	—	34 490 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	—	263,000,000 EUR	—	—	—	263,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	—	—	7 560 EUR	—	—	—	7 560 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Treasury shares	—	—	—	—	—	—	—	27,000,000 EUR	—	—	—	25,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	—	1 764 EUR	—	—	—	2 051 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	—	—	—	2 563 EUR	—	—	—	2 551 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	1 078 EUR	10 638 EUR	7 560 EUR	263,000,000 EUR	2 563 EUR	27,000,000 EUR	1 764 EUR	799,000,000 EUR	33,000,000 EUR	2 530 EUR	1 076 EUR	500,000,000 EUR	10 925 EUR	27,000,000 EUR	2 524 EUR	2 551 EUR	7 560 EUR	263,000,000 EUR	25,000,000 EUR	2 051 EUR	2 480 EUR	14,000,000 EUR	933,000,000 EUR	11 700 EUR	510,000,000 EUR	524,000,000 EUR	5 217 EUR	25,000,000 EUR	2 571 EUR	3 004 EUR
Liabilities [abstract]
Non-current liabilities [abstract]
Non-current provisions [abstract]
Non-current provisions for employee benefits	—	—	—	—	—	—	—	1 686 EUR	—	—	—	1 685 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	—	—	—	—	2,000,000 EUR	—	—	—	– EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current liabilities	—	—	—	—	—	—	—	19 085 EUR	—	—	—	18 041 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current liabilities [abstract]
Current liabilities	—	—	—	—	—	—	—	16 271 EUR	—	—	—	15 949 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	—	—	—	—	—	35 356 EUR	—	—	—	33 990 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	—	36 155 EUR	—	—	—	34 490 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—