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INTEREST EXPENSE | 12 Months Ended
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Dec. 31, 2017
Analysis of income and expense [abstract] |
INTEREST EXPENSE | INTEREST EXPENSE
US$ MILLIONS |  | 2017 |  | 2016 |  | 2015
Interest on corporate facility |  | $ | 12 |  |  | $ | 12 |  |  | $ | 5 |
Interest on corporate debt |  | 51 |  |  | 39 |  |  | 22 |
Interest on non-recourse borrowings |  | 361 |  |  | 338 |  |  | 334 |
Other financing fees |  | 4 |  |  | 3 |  |  | 6 |
|  | $ | 428 |  |  | $ | 392 |  |  | $ | 367 |

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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 2017-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_10_e&doctype=Standard -URIDate 2017-03-09 + Details
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