XML 123 R108.htm IDEA: XBRL DOCUMENT
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BORROWINGS - Additional Information (Details) |  | 2 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 10, 2017 USD ($) | Oct. 10, 2017 CAD ($) | Mar. 13, 2018 USD ($) | Dec. 31, 2017 USD ($) extension | Feb. 14, 2018 USD ($) | Dec. 31, 2017 CAD ($) extension | Apr. 17, 2017 USD ($) | Apr. 17, 2017 CAD ($) | Feb. 22, 2017 USD ($) | Feb. 22, 2017 CAD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 CAD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 10,164,000,000 |  |  |  |  |  |  | $ 8,326,000,000 |
Letter of credit outstanding amount |  |  |  | 106,000,000 |  |  |  |  |  |  | 46,000,000 |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Cancellation of letters of credit |  |  | $ 59,000,000 |  |  |  |  |  |  |  |  |
Corporate revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  | $ 1,975,000,000.000 |  |  |  |  |  |  |  |
Unused commitment fee |  |  |  | 0.18% |  | 0.18% |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 789,000,000 |  |  |  |  |  |  | 0 |
Letter of credit outstanding amount |  |  |  | $ 106,000,000 |  |  |  |  |  |  | 46,000,000 |
Corporate revolving credit facility | Floating interest rate |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  |  |  | 1.20% |  | 1.20% |  |  |  |  |  |
Non-recourse borrowings |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 8,063,000,000 |  |  |  |  |  |  | 7,324,000,000 |
Increase in borrowings |  |  |  | 739,000,000 |  |  |  |  |  |  |  |
Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities |  |  |  | 379,000,000 |  |  |  |  |  |  |  |
Increase (decrease) through financing cash flows, liabilities arising from financing activities |  |  |  | 360,000,000 |  |  |  |  |  |  |  |
Non-recourse borrowings | CAD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | 397,000,000 |  | $ 499,000,000 |  |  |  |  | 263,000,000 | $ 354,000,000
Non-recourse borrowings | USD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | 3,087,000,000 |  |  |  |  |  |  | 3,039,000,000 |
Medium-term notes, maturing February 22, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 239,000,000 |  |  |  |  |  |  | 0 |
Medium-term notes, maturing February 22, 2024 | Debt Issuers |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Face amount |  |  |  |  |  |  |  |  |  | $ 300,000,000 |  |
Medium-term notes, maturing February 22, 2024 | Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  | 3.30% |  | 3.30% | 3.30% | 3.30% |  |  |  |
Medium-term notes, maturing February 22, 2024 | Fixed interest rate | CAD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  | 3.10% | 3.10% | 3.30% | 3.30% |  |
Medium-term notes, maturing February 22, 2024 | Fixed interest rate | USD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  | 4.00% | 4.00% | 4.10% | 4.10% |  |
Medium-term notes, maturing February 22, 2024 | Fixed interest rate | Debt Issuers | CAD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  |  |  | 3.30% | 3.30% |  |
Medium-term notes, maturing February 22, 2024 | Fixed interest rate | Debt Issuers | USD |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  |  |  | 4.10% | 4.10% |  |
Medium-term notes, maturing February 22, 2024 | Debt issuance |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Face amount |  |  |  |  |  |  | $ 309,000,000 | $ 400,000,000 | $ 228,000,000 | $ 300,000,000 |  |
Medium Term Notes, Public - Canadian - Maturing October 10, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 0 |  |  |  |  |  |  | 295,000,000 |
Medium Term Notes, Public - Canadian - Maturing October 10, 2017 | Debt Issuers |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Amount repaid | $ 306,000,000 | $ 400,000,000 |  |  |  |  |  |  |  |  |  |
Medium Term Notes, Public - Canadian - Maturing October 10, 2017 | Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  | 3.50% |  | 3.50% |  |  |  |  |  |
Corporate borrowings |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 2,101,000,000 |  |  |  |  |  |  | 1,002,000,000 |
Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities |  |  |  | 79,000,000 |  |  |  |  |  |  |  |
Revolving credit facility with Brookfield |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  | $ 500,000,000 |  |  |  |  |  |  |  |
Borrowings, number of extensions | extension |  |  |  | 4 |  | 4 |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  | $ 0 |  |  |  |  |  |  | $ 0 |
Revolving credit facility with Brookfield | Floating interest rate |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  |  |  | 2.00% |  | 2.00% |  |  |  |  |  |
Commitment fees |  |  |  | $ 0 |  |  |  |  |  |  |  |
Revolving credit facility with Brookfield | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  | $ 400,000,000 |  |  |  |  |  |  |  |  |
Senior secured notes | Subsequent Event | North American gas storage operation |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary and corporate borrowings |  |  |  |  | $ 400,000,000 |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  | 7.00% |  |  |  |  |  |  |

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