Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2,579,000,000
EUR
|
2,411,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,626,000,000
EUR
|
1,480,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
2,952,000,000
EUR
|
2,975,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
4,677,000,000
EUR
|
4,459,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
2,076,000,000
EUR
|
1,875,000,000
EUR
|
1,176,000,000
EUR
|
| Borrowings [abstract] | |||
| Borrowings |
1,873,000,000
EUR
|
1,667,000,000
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Miscellaneous liabilities [abstract] | |||
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
2,423,000,000
EUR
|
2,520,000,000
EUR
|
— |
| Investment contracts liabilities |
15,030,000,000
EUR
|
14,112,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
98,455,000,000
EUR
|
96,693,000,000
EUR
|
— |
| Liabilities |
89,658,000,000
EUR
|
88,194,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |