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long-term debt - Long-term debt maturities (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Finance leases | $ 102 |
Total | 24,205 | $ 22,478
Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | $ 21,439 | 19,762
Finance leases |  |
Long-term debt maturities |  |
Repayment term of finance lease | 2 years |
Weighted average interest rate | 2.87% |
Composite long-term debt |  |
Long-term debt maturities |  |
Total | $ 14,115 |
Total | 7,178 |
Total | 21,293 |
U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 3,726 |
Future cash outflows in respect of associated interest and like carrying costs | 1,906 |
Undiscounted contractual maturities | 5,632 |
U.S. Dollars | Derivative Liability Receive |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | (3,300) |
Future cash outflows in respect of associated interest and like carrying costs - Derivative Liabilities | (1,838) |
Undiscounted contractual maturities - Derivative Liabilities, Receive | (5,138) |
U.S. Dollars | Derivative Liability Pay |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | 3,188 |
Future cash outflows in respect of associated interest and like carrying costs - Derivative Liabilities | 1,698 |
Undiscounted contractual maturities - Derivative Liabilities, Pay | 4,886 |
U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 3,614 |
Total | 1,766 |
Total | 5,380 |
Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 10,501 |
Total | 5,412 |
Total | 15,913 |
Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 10,399 |
Future cash outflows in respect of associated interest and like carrying costs | 5,408 |
Undiscounted contractual maturities | 15,807 |
Cdn. Dollars | Finance leases |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Finance leases | 102 |
Future cash outflows in respect of associated interest and like carrying costs - Finance leases | 4 |
Undiscounted contractual maturities - Finance leases | 106 |
First year |  |
Long-term debt maturities |  |
Total | 3,772 | 4,360
First year | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 1,349 | 1,928
First year | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 815 |
First year | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 784 |
First year | U.S. Dollars | Derivative Liability Receive |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | (776) |
First year | U.S. Dollars | Derivative Liability Pay |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | 755 |
First year | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 763 |
First year | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 52 |
First year | Cdn. Dollars | Finance leases |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Finance leases | 52 |
2 years hence |  |
Long-term debt maturities |  |
Total | 1,867 | 1,573
2 years hence | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 1,567 | 1,531
2 years hence | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 1,058 |
2 years hence | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 8 |
2 years hence | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 8 |
2 years hence | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 1,050 |
2 years hence | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 1,000 |
2 years hence | Cdn. Dollars | Finance leases |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Finance leases | 50 |
3 years hence |  |
Long-term debt maturities |  |
Total | 1,766 | 1,501
3 years hence | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 1,567 | 1,480
3 years hence | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 1,083 |
3 years hence | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 8 |
3 years hence | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 8 |
3 years hence | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 1,075 |
3 years hence | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 1,075 |
4 years hence |  |
Long-term debt maturities |  |
Total | 2,099 | 1,577
4 years hence | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 2,086 | 1,480
4 years hence | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 1,651 |
4 years hence | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 402 |
4 years hence | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 402 |
4 years hence | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 1,249 |
4 years hence | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 1,249 |
5 years hence |  |
Long-term debt maturities |  |
Total | 899 | 1,933
5 years hence | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 886 | 1,913
5 years hence | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 500 |
5 years hence | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 500 |
5 years hence | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 500 |
5 years hence and 10 years before |  |
Long-term debt maturities |  |
Total | 6,190 | 5,900
5 years hence and 10 years before | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 6,240 | 5,796
5 years hence and 10 years before | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 4,759 |
5 years hence and 10 years before | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 1,501 |
5 years hence and 10 years before | U.S. Dollars | Derivative Liability Receive |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | (1,501) |
5 years hence and 10 years before | U.S. Dollars | Derivative Liability Pay |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | 1,459 |
5 years hence and 10 years before | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 1,459 |
5 years hence and 10 years before | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 3,300 |
5 years hence and 10 years before | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 3,300 |
Thereafter |  |
Long-term debt maturities |  |
Total | 7,612 | 5,634
Thereafter | Long-term debt |  |
Long-term debt maturities |  |
Undiscounted contractual maturities | 7,744 | $ 5,634
Thereafter | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 4,249 |
Thereafter | U.S. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | 1,023 |
Thereafter | U.S. Dollars | Derivative Liability Receive |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | (1,023) |
Thereafter | U.S. Dollars | Derivative Liability Pay |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments - Derivative Liabilities | 974 |
Thereafter | U.S. Dollars | Composite long-term debt |  |
Long-term debt maturities |  |
Total | 974 |
Thereafter | Cdn. Dollars |  |
Long-term debt maturities |  |
Total | 3,275 |
Thereafter | Cdn. Dollars | Long-term debt |  |
Long-term debt maturities |  |
Future cash outflows in respect of composite long-term debt principal repayments | $ 3,275 |

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