Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|
| Statement of cash flows [abstract] | |||
| Cash flows from (used in) operating activities [abstract] | |||
| Adjustments for interest expense |
3,096,000,000
USD
|
3,316,000,000
USD
|
3,705,000,000
USD
|
| Adjustments for decrease (increase) in trade and other receivables |
20,567,000,000
USD
|
9,625,000,000
USD
|
921,000,000
USD
|
| Adjustments for increase (decrease) in trade and other payables |
17,519,000,000
USD
|
9,494,000,000
USD
|
1,223,000,000
USD
|
| Adjustments for increase (decrease) in employee benefit liabilities |
16,000,000
USD
|
568,000,000
USD
|
365,000,000
USD
|
| Income taxes paid, classified as operating activities |
5,476,000,000
USD
|
3,290,000,000
USD
|
7,605,000,000
USD
|
| Cash flows from (used in) investing activities [abstract] | |||
| Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets |
14,233,000,000
USD
|
2,489,000,000
USD
|
4,803,000,000
USD
|
| Purchase of financial instruments, classified as investing activities |
218,000,000
USD
|
218,000,000
USD
|
205,000,000
USD
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
296,000,000
USD
|
281,000,000
USD
|
469,000,000
USD
|
| Cash flows from (used in) financing activities [abstract] | |||
| Dividends paid to equity holders of parent, classified as financing activities |
6,253,000,000
USD
|
7,424,000,000
USD
|
15,198,000,000
USD
|
| Dividends paid to non-controlling interests, classified as financing activities |
348,000,000
USD
|
311,000,000
USD
|
537,000,000
USD
|