Disclosure Of Employee Benefits [Text Block]
| Concept |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2019-12-31 to 2020-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
2018-12-31 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of employee benefits [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of information about defined benefit plans [abstract] | ||||||||||||||||||||||
| Disclosure of defined benefit plans [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of defined benefit plans [abstract] | ||||||||||||||||||||||
| Disclosure of defined benefit plans [line items] | ||||||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans [abstract] | ||||||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
68,000,000
USD
|
USD
|
USD
|
USD
|
USD
|
68,000,000
USD
|
68,000,000
USD
|
USD
|
USD
|
68,000,000
USD
|
USD
|
USD
|
USD
|
USD
|
USD
|
USD
|
71,000,000
USD
|
71,000,000
USD
|
USD
|
USD
|
71,000,000
USD
|
71,000,000
USD
|