XML 126 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
CASH FLOW – OTHER ITEMS (Tables)
 12 Months Ended
Dec. 31, 2017
Cash Flow Statement [Abstract]  
Cash flow - other items
Operating Cash Flows - Other Items
For the years ended December 31
2017

2016

Adjustments for non-cash income statement items:
 
 
Gain on non-hedge derivatives (note 25e)

($6
)

($12
)
Stock-based compensation expense
80

82

Income from investment in equity investees (note 16)
(76
)
(20
)
Change in estimate of rehabilitation costs at closed mines
55

130

Net inventory impairment charges (note 17)
21

68

Change in other assets and liabilities
(196
)
(249
)
Settlement of rehabilitation obligations
(59
)
(62
)
Other operating activities

($181
)

($63
)
Cash flow arising from changes in:
 
 
Accounts receivable

$8


($5
)
Inventory
(372
)
(190
)
Other current assets
(278
)
(72
)
Accounts payable
(35
)
(190
)
Other current liabilities
(51
)
29

Change in working capital

($728
)

($428
)