Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Dividends received, classified as operating activities | — |
82,000,000
EUR
|
— |
177,000,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
2,049,000,000
EUR
|
— |
1,200,000,000
EUR
|
— |
| Interest received, classified as operating activities | — |
6,770,000,000
EUR
|
— |
4,398,000,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
896,000,000
EUR
|
— |
330,000,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
20,969,000,000
EUR
|
— |
7,799,000,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
31,000,000
EUR
|
— |
0
EUR
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
79,000,000
EUR
|
— |
132,000,000
EUR
|
— |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
2,451,000,000
EUR
|
— |
4,250,000,000
EUR
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
6,692,000,000
EUR
|
— |
6,007,000,000
EUR
|
— |
| Other inflows (outflows) of cash, classified as investing activities | — |
9,000,000
EUR
|
— |
4,000,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
4,469,000,000
EUR
|
— |
2,286,000,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control | — |
0
EUR
|
— |
49,000,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
14,000,000
EUR
|
— |
11,000,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
68,000,000
EUR
|
— |
79,000,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
119,000,000
EUR
|
— |
536,000,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
429,000,000
EUR
|
— |
653,000,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
945,000,000
EUR
|
— |
39,000,000
EUR
|
— |
| Cash and cash equivalents |
53,683,000,000
EUR
|
— |
38,557,000,000
EUR
|
— |
33,660,000,000
EUR
|