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GOODWILL | 12 Months Ended
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Dec. 31, 2023
Intangible Assets [Abstract] |
GOODWILL | GOODWILL The following table presents the carrying amount for Brookfield Infrastructure’s goodwill:
US$ MILLIONS |  | 2023 |  | 2022
Balance at beginning of the year |  | $ | 8,789 |  |  | $ | 8,979 |
Acquisitions through business combinations(1) |  | 5,334 |  |  | 278 |
Assets held by subsidiaries disposed during the period(2) |  | (36) |  |  | (108) |
Held for sale |  | — |  |  | (21) |
Foreign currency translation and other |  | 401 |  |  | (339) |
Balance at end of the year |  | $ | 14,488 |  |  | $ | 8,789 |
(1)See Note 6, Acquisition of Businesses, for additional information. (2)See Note 5, Disposition of Businesses, for additional information. Goodwill is evaluated for impairment annually or more often if events or circumstances indicate there may be impairment. Impairment is determined by assessing if the carrying value of cash generating units or a group of cash generating units, including the allocated goodwill, exceeds its recoverable amount determined as the greater of the estimated fair value less costs of disposal or the value in use. During 2023, the recoverable amount exceeded the carrying amount of each cash generating unit. Goodwill is allocated to the following cash generating units or group of cash generating units:
US$ MILLIONS |  | 2023 |  | 2022
North American residential decarbonization infrastructure business |  | $ | 3,117 |  |  | $ | 1,463 |
North American rail operations |  | 2,098 |  |  | 2,094 |
Canadian diversified midstream operation |  | 2,028 |  |  | 1,984 |
European residential decarbonization infrastructure business |  | 1,881 |  |  | — |
Global intermodal logistics operation |  | 1,163 |  |  | — |
Canadian natural gas gathering and processing operation |  | 726 |  |  | 710 |
Brazilian regulated transmission operation |  | 526 |  |  | 488 |
European hyperscale data center platform |  | 797 |  |  | — |
U.S. colocation data center operation |  | 503 |  |  | 503 |
Colombian natural gas distribution operation |  | 461 |  |  | 367 |
U.K. wireless infrastructure operation |  | 350 |  |  | 332 |
Other |  | 838 |  |  | 848 |
Total |  | $ | 14,488 |  |  | $ | 8,789 |
The recoverable amount of goodwill has been determined using a discounted cash flow model whereby the fair value measurement is classified under level 3 on the fair value hierarchy. For businesses with the most significant goodwill as separately listed in the table above, the key inputs in determining the fair value of each cash generating unit under the discounted cash flow model are the utilization of different types of discount rates ranging from 8.5% to 17.0%, terminal value multiples of 9x to 30x and discrete cash flow periods from 4 to 18 years.

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