Disclosure Of Non-Current Assets Held For Sale And Discontinued Operations [Text Block]
| Concept |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2018-01-01 to 2018-12-31 |
|---|---|---|---|
| Disclosure of non-current assets held for sale and discontinued operations [text block] | — | — | — |
| Disclosure of analysis of single amount of discontinued operations [text block] | — | — | — |
| Disclosure of analysis of single amount of discontinued operations [abstract] | |||
| Disclosure of analysis of single amount of discontinued operations [line items] | |||
| Profit (loss) before tax |
1,580,000,000
USD
|
1,794,000,000
USD
|
2,729,000,000
USD
|
| Revenue |
9,245,000,000
USD
|
10,554,000,000
USD
|
12,046,000,000
USD
|
| Cash flows from continuing and discontinued operations [abstract] | |||
| Cash flows from (used in) operating activities [abstract] | |||
| Cash flows from (used in) operating activities |
2,281,000,000
USD
|
2,623,000,000
USD
|
2,741,000,000
USD
|
| Cash flows from (used in) investing activities [abstract] | |||
| Cash flows from (used in) investing activities |
1,132,000,000
USD
|
1,411,000,000
USD
|
290,000,000
USD
|
| Cash flows from (used in) financing activities [abstract] | |||
| Cash flows from (used in) financing activities |
1,020,000,000
USD
|
1,668,000,000
USD
|
2,119,000,000
USD
|