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CASH FLOW – OTHER ITEMS (Tables)
6 Months Ended
Jun. 30, 2022
Cash flow statement [Abstract]  
Schedule of cash flow - other items
Operating Cash Flows – Other Items For the three months ended June 30 For the six months ended June 30
   2022 2021 2022 2021
Adjustments for non-cash income statement items:
Loss (gain) on non-hedge derivatives $—  $2  ($7) $1 
Loss (gain) on warrant investments at FVPL (2) (4) 10 
Share-based compensation expense (recovery) (6) 23  29  36 
Change in estimate of rehabilitation costs at closed mines (128) (125) 29 
Insurance proceeds related to NGM 22  —    — 
Inventory impairment charges 24  —  24 
Change in other assets and liabilities (3) (82) (18) (104)
Settlement of share-based compensation (1) —  (46) (44)
Settlement of rehabilitation obligations (32) (30) (56) (52)
Other operating activities ($126) ($76) ($203) ($116)
Cash flow arising from changes in:
Accounts receivable $41  ($29) $68  $6 
Inventory (40) (97) (80) (111)
Other current assets (68) (75) (172) (82)
Accounts payable 42  28  17  (73)
Other current liabilities (9) (24) 2  11 
Change in working capital ($34) ($197) ($165) ($249)