Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
2018-01-01 to 2018-12-31 |
As at 2017-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Profit (loss) | — |
1,195,000,000
EUR
|
1,173,000,000
EUR
|
— | — |
1,097,000,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for income tax expense | — |
284,000,000
EUR
|
337,000,000
EUR
|
— | — |
193,000,000
EUR
|
— |
| Adjustments for decrease (increase) in inventories | — |
584,000,000
EUR
|
175,000,000
EUR
|
— | — |
394,000,000
EUR
|
— |
| Adjustments for provisions | — |
87,000,000
EUR
|
27,000,000
EUR
|
— | — |
271,000,000
EUR
|
— |
| Adjustments for share-based payments | — |
115,000,000
EUR
|
98,000,000
EUR
|
— | — |
97,000,000
EUR
|
— |
| Adjustments for undistributed profits of associates | — |
8,000,000
EUR
|
6,000,000
EUR
|
— | — |
2,000,000
EUR
|
— |
| Other adjustments for non-cash items | — |
13,000,000
EUR
|
5,000,000
EUR
|
— | — |
59,000,000
EUR
|
— |
| Adjustments for losses (gains) on disposal of non-current assets | — |
2,000,000
EUR
|
77,000,000
EUR
|
— | — |
71,000,000
EUR
|
— |
| Cash flows from (used in) operations | — |
1,944,000,000
EUR
|
237,000,000
EUR
|
— | — |
898,000,000
EUR
|
— |
| Dividends received, classified as operating activities | — |
4,000,000
EUR
|
12,000,000
EUR
|
— | — |
20,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
148,000,000
EUR
|
172,000,000
EUR
|
— | — |
170,000,000
EUR
|
— |
| Interest received, classified as operating activities | — |
15,000,000
EUR
|
27,000,000
EUR
|
— | — |
35,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
394,000,000
EUR
|
363,000,000
EUR
|
— | — |
301,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
4,000,000
EUR
|
146,000,000
EUR
|
— | — |
70,000,000
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
317,000,000
EUR
|
255,000,000
EUR
|
— | — |
628,000,000
EUR
|
— |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
65,000,000
EUR
|
162,000,000
EUR
|
— | — |
77,000,000
EUR
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
131,000,000
EUR
|
63,000,000
EUR
|
— | — |
34,000,000
EUR
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
18,000,000
EUR
|
35,000,000
EUR
|
— | — |
46,000,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
513,000,000
EUR
|
518,000,000
EUR
|
— | — |
422,000,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
127,000,000
EUR
|
156,000,000
EUR
|
— | — |
123,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Payments to acquire or redeem entity's shares | — |
343,000,000
EUR
|
1,376,000,000
EUR
|
— | — |
1,042,000,000
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
1,065,000,000
EUR
|
847,000,000
EUR
|
— | — |
1,287,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
298,000,000
EUR
|
761,000,000
EUR
|
— | — |
1,161,000,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1,856,000,000
EUR
|
262,000,000
EUR
|
— | — |
251,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
55,000,000
EUR
|
2,000,000
EUR
|
— | — |
-
EUR
|
— |
| Cash and cash equivalents |
3,226,000,000
EUR
|
— | — |
1,425,000,000
EUR
|
1,688,000,000
EUR
|
— |
1,939,000,000
EUR
|