Disclosure Of Fair Value Measurement [Text Block]
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As at 2019-12-31 |
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As at 2018-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||||||
| Assets | — | — |
75,095,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
67,659,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||||||
| Liabilities | — | — |
55,349,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
50,004,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||||||
| Equity |
46,745,000,000
EUR
|
9,210,000,000
EUR
|
19,746,000,000
EUR
|
17,107,000,000
EUR
|
52,844,000,000
EUR
|
2,639,000,000
EUR
|
92,000,000
EUR
|
73,364,000,000
EUR
|
22,548,000,000
EUR
|
2,389,000,000
EUR
|
15,266,000,000
EUR
|
92,000,000
EUR
|
7,482,000,000
EUR
|
73,472,000,000
EUR
|
17,655,000,000
EUR
|
73,364,000,000
EUR
|
13,192,000,000
EUR
|
694,000,000
EUR
|
5,574,000,000
EUR
|
—
EUR
|
134,000,000
EUR
|
13,886,000,000
EUR
|
18,212,000,000
EUR
|
420,000,000
EUR
|
15,218,000,000
EUR
|
129,000,000
EUR
|
11,397,000,000
EUR
|
720,000,000
EUR
|
12,117,000,000
EUR
|
—
EUR
|
464,000,000
EUR
|
26,022,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |