XML 197 R116.htm IDEA: XBRL DOCUMENT v3.20.4
PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Nov. 28, 2019
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Disclosure of detailed information about property, plant and equipment [line items]        
Additions to right-of-use assets   $ 4 $ 49  
Depreciation, right-of-use assets   (21) (25)  
Right-of-use assets   50 75 $ 85
Additions other than through business combinations, property, plant and equipment   2,188 5,127  
Expense relating to short-term leases for which recognition exemption has been used   14 56  
Expense relating to variable lease payments not included in measurement of lease liabilities   35 97  
MIning property costs subject to depreciation        
Disclosure of detailed information about property, plant and equipment [line items]        
Additions other than through business combinations, property, plant and equipment   259 3,458  
MIning property costs subject to depreciation | Revision of LOM Plan        
Disclosure of detailed information about property, plant and equipment [line items]        
Accumulated expense decrease   170 49  
Construction activities        
Disclosure of detailed information about property, plant and equipment [line items]        
Capital commitments   $ 223 383  
Turquoise Ridge        
Disclosure of detailed information about property, plant and equipment [line items]        
Additions other than through business combinations, property, plant and equipment     $ 3,422  
KCGM [Member]        
Disclosure of detailed information about property, plant and equipment [line items]        
Proportion of Ownership Interest Sold 50.00%