XML 137 R110.htm IDEA: XBRL DOCUMENT v3.21.1
Property, plant and equipment - Changes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, plant and equipment    
Balance at beginning of year $ 46,576 $ 48,385
Effects of IFRS 16 adoption   1,801
Additions 4,295 4,449
Disposals (228) (631)
Assets retirement obligation 568 429
Depreciation, amortization and depletion (2,746) (3,503)
Impairment (642) (4,198)
Acquisition of subsidiary   488
Transfer to assets held for sale (304)  
Translation adjustment (6,371) (644)
Balance at end of year 41,148 46,576
Land and buildings    
Property, plant and equipment    
Balance at beginning of year 10,702 11,587
Disposals (14) (109)
Depreciation, amortization and depletion (439) (514)
Impairment (130) (577)
Acquisition of subsidiary   77
Transfer to assets held for sale (66)  
Translation adjustment (1,664) (197)
Transfers 202 435
Balance at end of year 8,591 10,702
Facilities    
Property, plant and equipment    
Balance at beginning of year 9,604 11,236
Disposals (92) (75)
Depreciation, amortization and depletion (469) (666)
Impairment (162) (1,113)
Acquisition of subsidiary   41
Transfer to assets held for sale (80)  
Translation adjustment (1,756) (275)
Transfers 546 456
Balance at end of year 7,591 9,604
Equipment    
Property, plant and equipment    
Balance at beginning of year 5,686 6,407
Disposals (8) (70)
Depreciation, amortization and depletion (730) (866)
Impairment (22) (708)
Acquisition of subsidiary   46
Transfer to assets held for sale (3)  
Translation adjustment (644) (102)
Transfers 654 979
Balance at end of year 4,933 5,686
Mineral properties    
Property, plant and equipment    
Balance at beginning of year 8,261 8,499
Disposals (13) (164)
Assets retirement obligation 568 429
Depreciation, amortization and depletion (459) (603)
Impairment (81) (600)
Acquisition of subsidiary   276
Transfer to assets held for sale (58)  
Translation adjustment (523) 88
Transfers 359 336
Balance at end of year 8,054 8,261
Railway equipment    
Property, plant and equipment    
Balance at beginning of year 3,241 3,796
Disposals (5) (155)
Depreciation, amortization and depletion (186) (293)
Impairment   (336)
Translation adjustment (759) (122)
Transfers 232 351
Balance at end of year 2,523 3,241
Right of use assets    
Property, plant and equipment    
Balance at beginning of year 1,692  
Effects of IFRS 16 adoption   1,801
Additions 125 152
Disposals   (7)
Depreciation, amortization and depletion (173) (183)
Impairment   (55)
Acquisition of subsidiary   2
Translation adjustment (81) (18)
Balance at end of year 1,563 1,692
Others    
Property, plant and equipment    
Balance at beginning of year 3,012 3,473
Disposals (8) (26)
Depreciation, amortization and depletion (290) (378)
Impairment (79) (456)
Transfer to assets held for sale (1)  
Translation adjustment (392) (34)
Transfers 253 433
Balance at end of year 2,495 3,012
Constructions in progress    
Property, plant and equipment    
Balance at beginning of year 4,378 3,387
Additions 4,170 4,297
Disposals (88) (25)
Impairment (168) (353)
Acquisition of subsidiary   46
Transfer to assets held for sale (96)  
Translation adjustment (552) 16
Transfers (2,246) (2,990)
Balance at end of year 5,398 4,378
Carrying amount    
Property, plant and equipment    
Balance at beginning of year 83,496  
Balance at end of year 71,687 83,496
Carrying amount | Land and buildings    
Property, plant and equipment    
Balance at beginning of year 18,970  
Balance at end of year 15,135 18,970
Carrying amount | Facilities    
Property, plant and equipment    
Balance at beginning of year 17,170  
Balance at end of year 11,690 17,170
Carrying amount | Equipment    
Property, plant and equipment    
Balance at beginning of year 11,756  
Balance at end of year 10,680 11,756
Carrying amount | Mineral properties    
Property, plant and equipment    
Balance at beginning of year 17,826  
Balance at end of year 17,072 17,826
Carrying amount | Railway equipment    
Property, plant and equipment    
Balance at beginning of year 4,701  
Balance at end of year 3,853 4,701
Carrying amount | Right of use assets    
Property, plant and equipment    
Balance at beginning of year 1,875  
Balance at end of year 1,966 1,875
Carrying amount | Others    
Property, plant and equipment    
Balance at beginning of year 6,820  
Balance at end of year 5,893 6,820
Carrying amount | Constructions in progress    
Property, plant and equipment    
Balance at beginning of year 4,378  
Balance at end of year 5,398 4,378
Accumulated amortization    
Property, plant and equipment    
Balance at beginning of year (36,920)  
Balance at end of year (30,539) (36,920)
Accumulated amortization | Land and buildings    
Property, plant and equipment    
Balance at beginning of year (8,268)  
Balance at end of year (6,544) (8,268)
Accumulated amortization | Facilities    
Property, plant and equipment    
Balance at beginning of year (7,566)  
Balance at end of year (4,099) (7,566)
Accumulated amortization | Equipment    
Property, plant and equipment    
Balance at beginning of year (6,070)  
Balance at end of year (5,747) (6,070)
Accumulated amortization | Mineral properties    
Property, plant and equipment    
Balance at beginning of year (9,565)  
Balance at end of year (9,018) (9,565)
Accumulated amortization | Railway equipment    
Property, plant and equipment    
Balance at beginning of year (1,460)  
Balance at end of year (1,330) (1,460)
Accumulated amortization | Right of use assets    
Property, plant and equipment    
Balance at beginning of year (183)  
Balance at end of year (403) (183)
Accumulated amortization | Others    
Property, plant and equipment    
Balance at beginning of year (3,808)  
Balance at end of year $ (3,398) $ (3,808)