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) operations | — |
1,738,000,000
EUR
|
1,588,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
24,000,000
EUR
|
54,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
1,268,000,000
EUR
|
997,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
-
EUR
|
65,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
971,000,000
EUR
|
1,098,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||
| Payments to acquire or redeem entity's shares | — |
-
EUR
|
16,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
720,000,000
EUR
|
1,720,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
423,000,000
EUR
|
375,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents | — |
16,000,000
EUR
|
31,000,000
EUR
|
— |
| Cash and cash equivalents |
252,000,000
EUR
|
— | — |
692,000,000
EUR
|