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Marketable securities, commodities, time deposits, derivative financial instruments and cash and cash equivalents (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure of marketable securities commodities deposits derivative instruments and cash [abstract]  
Marketable securities, commodities, timedeposits, and derivative financial instruments
(USD millions)
2020
2019
Marketable securities
26
61
Commodities
111
110
Time deposits and short-term investments with original maturity more than 90 days
1 609
61
Derivative financial instruments
159
102
Total marketable securities, commodities, time deposits and derivative financial instruments
1 905
334
Cash and cash equivalents
(USD millions)
2020
2019
Current accounts
3 750
3 247
Time deposits and short-term investments with original maturity less than 90 days
5 908
7 865
Total cash and cash equivalents
9 658
11 112