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INTEREST EXPENSE | 12 Months Ended
--- | ---
Dec. 31, 2020
Analysis of income and expense [abstract] |
INTEREST EXPENSE | INTEREST EXPENSE
US$ MILLIONS |  | 2020 |  | 2019 |  | 2018
Interest on corporate facility |  | $ | 19 |  |  | $ | 20 |  |  | $ | 4 |
Interest on corporate debt |  | 76 |  |  | 63 |  |  | 56 |
Interest on non-recourse borrowings |  | 944 |  |  | 738 |  |  | 483 |
Other financing fees(1) |  | 140 |  |  | 83 |  |  | 12 |
|  | $ | 1,179 |  |  | $ | 904 |  |  | $ | 555 |
(1)Other financing fees primarily relate to interest expense associated with leases in connection with IFRS 16.

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- Definition The disclosure of interest expense. [Refer: Interest expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
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