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Other items from operating activities - Other income and other expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other items from operating activities      
Gains on disposal of assets $ 961 $ 670 $ 1,041
Foreign exchange gains 746 238 252
Other 530 255 545
OTHER INCOME 2,237 1,163 1,838
Losses on disposal of assets (52) (56) (111)
Foreign exchange losses (320) (463) (444)
Amortisation of other intangible assets (excl. mineral interests) (343) (266) (225)
Other (791) (407) (493)
OTHER EXPENSE (1,506) (1,192) (1,273)
Restructuring charges 312 96 179
Impairment of non-consolidated shares and loans granted to non-consolidated subsidiaries and equity affiliates $ 64   $ 77
Revaluation of non-consolidated shares at fair value   $ 94