Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
261,000,000
EUR
|
— |
209,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Brand names |
1,054,000,000
EUR
|
— |
1,054,000,000
EUR
|
— |
| Other intangible assets |
157,000,000
EUR
|
— |
161,000,000
EUR
|
— |
| Goodwill |
2,094,000,000
EUR
|
— |
2,094,000,000
EUR
|
— |
| Intangible assets and goodwill |
3,304,000,000
EUR
|
— |
3,314,000,000
EUR
|
— |
| Investment property [abstract] | ||||
| Investment property |
4 024,6
EUR
|
— |
4 472,1
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Trade and other current receivables |
8,280,000,000
EUR
|
— |
7,999,000,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Current accrued income including current contract assets [abstract] | ||||
| Current contract assets |
7,412,000,000
EUR
|
— |
5,649,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash equivalents [abstract] | ||||
| Cash equivalents |
1 277,5
EUR
|
8,302,000,000
EUR
|
8,302,000,000
EUR
|
6,785,000,000
EUR
|
| Cash and cash equivalents |
1 277,5
EUR
|
— |
8,302,000,000
EUR
|
— |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
774,000,000
EUR
|
— |
3,350,000,000
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
3,794,000,000
EUR
|
— |
8,375,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
4,589,000,000
EUR
|
— |
954,000,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Non-current portion of non-current bonds issued |
1 720,4
EUR
|
— |
1 613,5
EUR
|
— |
| Non-current portion of non-current commercial papers issued |
250,000,000
EUR
|
— |
300,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Current bonds issued and current portion of non-current bonds issued |
2,546,000,000
EUR
|
— |
169,000,000
EUR
|
— |
| Current commercial papers issued and current portion of non-current commercial papers issued |
6,280,000,000
EUR
|
— |
7,095,000,000
EUR
|
— |
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current contract liabilities |
1,773,000,000
EUR
|
— |
1,688,000,000
EUR
|
— |
| Trade and other current payables |
1 798,4
EUR
|
— |
1 639,6
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | ||||
| Non-current financial liabilities |
2 500,2
EUR
|
— |
2 708,5
EUR
|
— |
| Miscellaneous liabilities [abstract] | ||||
| Subordinated liabilities [abstract] | ||||
| Undated subordinated liabilities |
1,951,000,000
EUR
|
— |
1,951,000,000
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
2,640,000,000
EUR
|
— |
2,552,000,000
EUR
|
— |
| Miscellaneous equity [abstract] | ||||
| Additional paid-in capital |
2,338,000,000
EUR
|
— |
3,118,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
8 950,0
EUR
|
— |
9 087,9
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
3 817,8
EUR
|
— |
3 632,4
EUR
|
— |
| Current liabilities |
3 602,8
EUR
|
— |
2 928,6
EUR
|
— |
| Assets less current liabilities [abstract] |