XML 194 R185.htm IDEA: XBRL DOCUMENT v3.23.1
Provision changes during (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
[custom:OthersProvisions-1] $ 4,580 $ 4,522
Additional provisions, other provisions 27 129
[custom:ProvisionUsedOtherProvision] (127) (145)
[custom:UnusedProvisionsReversedOtherProvisions] [1] (600) 227
Increase (decrease) through transfers and other changes, other provisions (51) (50)
[custom:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvision] (26) (103)
[custom:OthersProvisions-2] 3,803 4,580
[custom:CurrentProvision-0] 304 170
[custom:ProvisionNoncurrent-0] 3,499 4,410
[custom:Liability-0] 3,803 4,580
Provision for decommissioning, restoration and rehabilitation costs [member]    
IfrsStatementLineItems [Line Items]    
[custom:OthersProvisions-1] 4,283 4,220
Additional provisions, other provisions 20 110
[custom:ProvisionUsedOtherProvision] (101) (88)
[custom:UnusedProvisionsReversedOtherProvisions] [1] (646) 178
Increase (decrease) through transfers and other changes, other provisions (49) (50)
[custom:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvision] (41) (87)
[custom:OthersProvisions-2] 3,466 4,283
[custom:CurrentProvision-0] 210 72
[custom:ProvisionNoncurrent-0] 3,256 4,211
[custom:Liability-0] 3,466 4,283
Other environment related provision [member]    
IfrsStatementLineItems [Line Items]    
[custom:OthersProvisions-1] 297 302
Additional provisions, other provisions 7 19
[custom:ProvisionUsedOtherProvision] (26) (57)
[custom:UnusedProvisionsReversedOtherProvisions] [1] 46 49
Increase (decrease) through transfers and other changes, other provisions (2)  
[custom:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvision] 15 (16)
[custom:OthersProvisions-2] 337 297
[custom:CurrentProvision-0] 94 98
[custom:ProvisionNoncurrent-0] 243 199
[custom:Liability-0] $ 337 $ 297
[1] Among other factors, includes the reduction in liability of US$870, due to the update in the discount rate of the asset retirement obligation in Canada, which increased from 0.00% to 1.11% for the year ended December 31, 2022.