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REVENUES | 12 Months Ended
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Dec. 31, 2023
Revenue [abstract] |
REVENUES | REVENUES a)Revenues by service line Substantially all of these revenues are recognized over time as services are rendered. The following table disaggregates revenues by service line:
|  | For the year ended December 31,
US$ MILLIONS |  | 2023 |  | 2022 |  | 2021
Gas Transmission |  | $ | 1,483 |  |  | $ | 1,314 |  |  | $ | 1,074 |
Distribution |  | 397 |  |  | 372 |  |  | 374 |
Leasing |  | 385 |  |  | — |  |  | — |
Connections |  | 200 |  |  | 171 |  |  | 167 |
Other |  | 38 |  |  | 29 |  |  | 28 |
Total |  | $ | 2,503 |  |  | $ | 1,886 |  |  | $ | 1,643 |
During the year ended December 31, 2023, revenues benefited from the acquisition of our global intermodal logistics operation, along with inflationary tariff increases and capital commissioned into rate base. b)Revenues from external customers The following table disaggregates revenues by geographical region.
|  | For the year ended December 31,
US$ MILLIONS |  | 2023 |  | 2022 |  | 2021
Brazil |  | $ | 1,483 |  |  | $ | 1,314 |  |  | $ | 1,074 |
United Kingdom |  | 635 |  |  | 572 |  |  | 569 |
United States |  | 385 |  |  | — |  |  | — |
|  | $ | 2,503 |  |  | $ | 1,886 |  |  | $ | 1,643 |
Our company’s customer base is comprised predominantly of investment grade companies, with only one customer that makes up greater than 10% of our company’s consolidated revenues. For the year ended December 31, 2023, revenue generated from this customer was $1,449 million (2022: $1,314 million, 2021: $1,074 million). Our company has completed a review of the credit risk of key counterparties. Based on their liquidity position, business performance, and aging of our accounts receivable, we do not have any significant changes in expected credit losses at this time. c)Non-Current Assets
|  | As of
US$ MILLIONS |  | Dec. 31, 2023 |  | Dec. 31, 2022
United Kingdom |  | $ | 5,624 |  |  | $ | 4,821 |
Brazil |  | 3,596 |  |  | 3,362 |
Switzerland |  | 2,197 |  |  | — |
France |  | 2,170 |  |  | — |
Singapore |  | 1,800 |  |  | — |
China |  | 1,573 |  |  | — |
Denmark |  | 1,232 |  |  | — |
United States |  | 375 |  |  | — |
Australia |  | 5 |  |  | 428 |
Other Asia |  | 1,270 |  |  | — |
Other Europe |  | 632 |  |  | — |
Other |  | 631 |  |  | — |
|  | $ | 21,105 |  |  | $ | 8,611 |

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