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DEFERRED INCOME TAXES - Sources of Deferred Income Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets $ 29 $ 98
Deferred tax liabilities (3,293) (3,034)
Deferred tax liability (asset) 3,264 2,936
Before offset amount    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 705 930
Deferred tax liabilities (3,264) (2,936)
Tax loss carry forwards    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 330 456
Tax credits    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 10 13
Environmental rehabilitation    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 262 358
Post-retirement benefit obligations and other employee benefits    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 30 30
Other working capital    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 68 70
Other    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 5 3
Property, plant and equipment    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities (3,556) (3,375)
Inventory    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities (416) (463)
Accrued interest payable    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities $ 3 $ (28)