Statement Of Cash Flows [Abstract]
| Concept |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Cash flows from (used in) operating activities | — |
3,762,000,000
EUR
|
4,224,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
0
EUR
|
1,219,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
17,000,000
EUR
|
128,000,000
EUR
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
0
EUR
|
1,000,000
EUR
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
40,000,000
EUR
|
112,000,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
1,408,000,000
EUR
|
1,461,000,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
139,000,000
EUR
|
183,000,000
EUR
|
— |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — |
0
EUR
|
250,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
1,524,000,000
EUR
|
192,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
110,000,000
EUR
|
0
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
108,000,000
EUR
|
500,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
1,700,000,000
EUR
|
631,000,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
1,607,000,000
EUR
|
1,370,000,000
EUR
|
— |
| Interest paid, classified as financing activities | — |
175,000,000
EUR
|
135,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
4,287,000,000
EUR
|
2,621,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
2,049,000,000
EUR
|
1,411,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents | — |
63,000,000
EUR
|
20,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
2,113,000,000
EUR
|
1,431,000,000
EUR
|
— |
| Cash and cash equivalents |
8,706,000,000
EUR
|
— | — |
1,051,000
EUR
|