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CASH FLOW – OTHER ITEMS CASH FLOW - OTHER ITEMS (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Cash flow arising from changes in:        
Gain on non-hedge derivatives $ (12) $ 0 $ (5) $ (1)
Share-based compensation expense 33 26 50 38
Income from investment in equity investees (61) (50) (115) (78)
Change in estimate of rehabilitation costs at closed mines 7 16 97 41
Net inventory impairment charges 1 12 18 16
Change in other assets and liabilities 21 50 17 28
Settlement of rehabilitation obligations (24) (16) (44) (30)
Other operating activities (35) 38 18 14
Cash flow arising from changes in:        
Accounts receivable (40) (44) (48) (33)
Inventory 59 22 (25) 12
Other current assets (33) (9) (139) (94)
Accounts payable 6 (37) (73) (160)
Other current liabilities (1) (14) (56) (55)
Change in working capital (9) (82) (341) (330)
INVESTING ACTIVITIES        
Dividends received from investments accounted for using equity method, classified as investing activities 29 17 54 32
Cash repayments of advances and loans from related parties 1 0 1 30
Other inflows (outflows) of cash, classified as investing activities $ 30 $ 17 $ 55 $ 62