XML 89 R71.htm IDEA: XBRL DOCUMENT v3.23.1
ACCOUNTING POLICIES (Impairment) (Details)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
Disclosure of impairment loss and reversal of impairment loss [line items]          
Discount rate used in current estimate of value in use   11.28%      
Impairment charge (note 3 (f))   $ 99,000  
Interest rate risk          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Reasonably possible increase in risk variable, percent 0.010 0.005      
Reasonably possible decrease in risk variable, percent 0.010 0.005      
Steel Sales Volume Risk          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Reasonably possible increase in risk variable, percent   0.050      
Reasonably possible decrease in risk variable, percent   (0.050)      
Operating Income Before Amortization And Depreciation Risk Member          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Reasonably possible increase in risk variable, percent   0.050      
Reasonably possible decrease in risk variable, percent   (0.050)      
GDP Market Risk          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Reasonably possible increase in risk variable, percent 0.005        
Reasonably possible decrease in risk variable, percent (0.005)        
Increase in value-in-use 0.255 0.293      
Decrease in value-in-use (0.171) 0.288      
Steel, Iron Ore And Hard Coking Coal Prices          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Reasonably possible increase in risk variable, percent 0.050        
Reasonably possible decrease in risk variable, percent (0.05)        
Usiminas Control Group          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Write Down Of Equity Method Investment   $ 120,400      
Cash-generating units          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Growth rate used to extrapolate cash flow projections   2.18%      
Discount rate used in current estimate of value in use   11.28% 9.93%    
Cash-generating units | Usiminas Control Group          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Discount rate used in current estimate of value in use 13.50%        
Argentina | Subsidiaries          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Discount rate used in current estimate of value in use         14.30%
Brazil | Cash-generating units          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Discount rate used in current estimate of value in use   11.91%      
Brazil | Subsidiaries          
Disclosure of impairment loss and reversal of impairment loss [line items]          
Discount rate used in current estimate of value in use         10.30%
Impairment charge (note 3 (f))   $ 99,000      
Recoverable amount of asset or cash-generating unit         $ 1,841,000