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INTANGIBLE ASSETS (Tables)
 6 Months Ended
Jun. 30, 2021
Intangible Assets [Abstract]  
Disclosure of detailed information about intangible assets
As of
US$ MILLIONSJune 30, 2021December 31, 2020
Cost$14,117 $13,233 
Accumulated amortization(1,711)(1,466)
Total$12,406 $11,767 
Intangible assets are allocated to the following cash generating units, or group of cash generating units:
As of
US$ MILLIONSJune 30, 2021December 31, 2020
Brazilian regulated gas transmission operation$2,949 $2,903 
North American rail operations1,906 1,929 
North American residential energy infrastructure operation1,759 1,748 
Peruvian toll roads1,011 1,073 
Brazilian electricity transmission operation803 270 
Indian telecom tower operation(2)
796 537 
Chilean toll roads781 825 
Indian toll roads(1)
679 714 
U.K. telecom towers operation494 491 
U.K. port operation296 292 
Other(3)
932 985 
Total$12,406 $11,767 
1.Indian toll roads include $614 million of intangible assets at our investment in Simhapuri Expressway Ltd and Rayalseema Expressway Private Limited and $65 million at BIF India Holdings Pte Ltd.
2.Refer to Note 6, Acquisition of Businesses, for further details.
3.Other intangibles are primarily comprised of customer contracts at our Australian port operation, Western Canadian natural gas gathering and processing operation, U.S. data center operation, Colombian natural gas transmission operation, natural gas operation in India and contracted order book at our U.K. regulated distribution operation.
Disclosure of reconciliation of changes in intangible assets and goodwill
The following table presents the change in the cost balance of intangible assets:
US$ MILLIONSFor the six-month period
ended June 30, 2021		For the 12 month period ended December 31, 2020
Cost at beginning of the period$13,233 $15,695 
Additions through business combinations467 532 
Additions, net of disposals24 102 
Non-cash additions (disposals)288 (2,118)
Foreign currency translation105 (978)
Ending Balance$14,117 $13,233 
The following table presents the accumulated amortization for Brookfield Infrastructure’s intangible assets:
US$ MILLIONSFor the six-month period
ended June 30, 2021		For the 12 month period ended December 31, 2020
Accumulated amortization at beginning of the period$(1,466)$(1,309)
Non-cash disposals14 216 
Amortization(249)(458)
Foreign currency translation(10)85 
Ending Balance$(1,711)$(1,466)