Statement Of Changes In Equity [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Purchase of treasury shares |
57,000,000
USD
|
—
USD
|
18,547,000,000
USD
|
57,000,000
USD
|
18,547,000,000
USD
|
18,547,000,000
USD
|
10,000,000
USD
|
10,000,000
USD
|
3,513,000,000
USD
|
3,513,000,000
USD
|
3,513,000,000
USD
|
1,214,000,000
USD
|
6,000,000
USD
|
6,000,000
USD
|
1,214,000,000
USD
|
1,214,000,000
USD
|