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CASH FLOW – OTHER ITEMS
 6 Months Ended
Jun. 30, 2023
Cash flow statement [Abstract]  
Cash Flow - Other Items Cash Flow - Other Items
Operating Cash Flows – Other Items For the three months ended June 30 For the six months ended June 30
   2023 2022 2023 2022
Adjustments for non-cash income statement items:
Gain on non-hedge derivatives ($1) $—  ($2) ($7)
Loss (gain) on warrant investments at FVPL 3  (2) 5  (4)
Tanzania education program —  —  30  — 
Share-based compensation expense (recovery) 6  (6) 25  29 
Change in estimate of rehabilitation costs at closed mines (13) (128) 9  (125)
Insurance proceeds related to NGM —  22  —  — 
Inventory impairment charges 1  24  10  24 
Change in other assets and liabilities (8) (3) 30  (18)
Settlement of share-based compensation —  (1) (29) (46)
Settlement of rehabilitation obligations (39) (32) (77) (56)
Other operating activities ($51) ($126) $1  ($203)
Cash flow arising from changes in:
Accounts receivable ($31) $41  ($25) $68 
Inventory (3) (40) (75) (80)
Other current assets (61) (68) (65) (172)
Accounts payable 71  42  (48) 17 
Other current liabilities (21) (9) (38) 2 
Change in working capital ($45) ($34) ($251) ($165)