XML 47 R18.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Financing (Income) Expenses | 12 Months Ended
--- | ---
Dec. 31, 2017
Financing (Income) Expenses |
Financing (Income) Expenses | 12. FINANCING (INCOME) EXPENSES
($ millions) |  | 2017 |  | 2016 |  |
Interest on debt and finance leases |  | 945 |  | 1 012 |  |
Capitalized interest at 5.5% (2016 – 5.7%) |  | (729 | ) | (597 | ) |
| Interest expense |  | 216 |  | 415 |  |
| Interest on partnership liability (note 38) |  | 5 |  | — |  |
| Interest on pension and other post-retirement benefits |  | 58 |  | 59 |  |
| Accretion |  | 247 |  | 269 |  |
| Foreign exchange gain on U.S. dollar denominated debt |  | (771 | ) | (458 | ) |
| Foreign exchange and other |  | (52 | ) | 61 |  |
| Loss on extinguishment of long-term debt |  | 113 |  | 99 |  |
| Realized gain on foreign currency hedges |  | (62 | ) | — |  |
|  | (246 | ) | 445 |  |

X
- Definition The entire disclosure for borrowing costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2017-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=23&date=2017-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfBorrowingCostsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration