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INTANGIBLE ASSETS
 6 Months Ended
Jun. 30, 2022
Intangible Assets [Abstract]  
INTANGIBLE ASSETS INTANGIBLE ASSETS
As of
US$ MILLIONSJune 30, 2022December 31, 2021
Cost$15,195 $15,785 
Accumulated amortization(1,671)(1,571)
Total$13,524 $14,214 
Intangible assets are allocated to the following cash generating units, or group of cash generating units:
As of
US$ MILLIONSJune 30, 2022December 31, 2021
Brazilian regulated gas transmission operation$2,812 $2,645 
Canadian diversified midstream2,395 2,536 
North American rail operations1,799 1,867 
North American residential energy infrastructure operation1,662 1,720 
Brazilian electricity transmission operation1,477 1,366 
Peruvian toll roads1,025 976 
Indian telecom tower operation729 782 
Indian toll roads(1)
— 658 
U.K. telecom towers operation429 480 
U.K. port operation260 289 
Other(2)
936 895 
Total$13,524 $14,214 
1.Refer to Note 4, Assets and Liabilities Classified as Held for Sale, for further details.
2.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.

The following table presents the change in the cost balance of intangible assets:
US$ MILLIONSFor the six-month
period ended June 30, 2022		For the 12 month period ended December 31, 2021
Cost at beginning of the period$15,785 $13,233 
Additions through business combinations(1)
72 3,734 
Additions, net of disposals71 67 
Assets held by subsidiaries disposed during the period(2)
— (957)
Assets reclassified as held for sale(3)
(816)— 
Non-cash additions(4)
68 271 
Foreign currency translation15 (563)
Ending Balance$15,195 $15,785 
1.Refer to Note 6, Acquisition of Businesses, for further details.
2.Refer to Note 5, Disposition of Businesses, for further details.
3.Refer to Note 4, Assets and Liabilities Classified as Held for Sale, for further details.
4.Non-cash additions for the three-month period ended June 30, 2022 primarily relates to revisions to the purchase price allocation at our residential infrastructure operation in Germany.
The following table presents the accumulated amortization for Brookfield Infrastructure’s intangible assets:
US$ MILLIONSFor the six-month
period ended June 30, 2022		For the 12 month period ended December 31, 2021
Accumulated amortization at beginning of the period$(1,571)$(1,466)
Assets held by subsidiaries disposed during the period(1)
— 281 
Non-cash additions, net of disposals1 26 
Assets reclassified as held for sale211 — 
Amortization(301)(514)
Disposals(3)— 
Foreign currency translation(8)102 
Ending Balance$(1,671)$(1,571)
1.Refer to Note 5, Disposition of Businesses, for further details.