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financial instruments - Liquidity risk (Details) - CAD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Liquidity risk |  |
Equity securities that may be offered pursuant to a shelf prospectus | $ 1,900 |
Total | 56,687 | $ 57,627
Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 3,343 | 3,297
Short-term borrowings |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 1,274 | 976
Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 49,081 | 49,528
Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 3,846 | 4,157
Composite long-term debt |  |
Liquidity risk |  |
Total | 52,039 |
Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 46 | 29
First year |  |
Liquidity risk |  |
Total | 6,314 | 7,716
First year | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 3,000 | 3,106
First year | Short-term borrowings |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 22 | 37
First year | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 3,067 | 3,754
First year | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 331 | 837
First year | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 2 | 3
2 years hence |  |
Liquidity risk |  |
Total | 4,777 | 4,507
2 years hence | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 259 | 108
2 years hence | Short-term borrowings |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 1,252 | 939
2 years hence | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 2,830 | 2,799
2 years hence | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 603 | 739
2 years hence | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 4 | 3
3 years hence |  |
Liquidity risk |  |
Total | 3,690 | 3,801
3 years hence | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 64 | 62
3 years hence | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 3,111 | 3,137
3 years hence | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 528 | 589
3 years hence | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 3 | 3
4 years hence |  |
Liquidity risk |  |
Total | 2,898 | 2,926
4 years hence | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 8 | 8
4 years hence | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 2,493 | 2,519
4 years hence | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 434 | 422
4 years hence | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 3 | 3
5 years hence |  |
Liquidity risk |  |
Total | 2,988 | 3,239
5 years hence | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 6 | 6
5 years hence | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 2,695 | 2,977
5 years hence | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 356 | 276
5 years hence | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 3 | 3
5 years hence to 10 years |  |
Liquidity risk |  |
Total | 11,107 | 11,033
5 years hence to 10 years | Non-interest bearing financial liabilities |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 6 | 7
5 years hence to 10 years | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 10,596 | 10,500
5 years hence to 10 years | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 789 | 648
5 years hence to 10 years | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 15 | 11
Thereafter |  |
Liquidity risk |  |
Total | 24,913 | 24,405
Thereafter | Long-term debt excluding leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 24,289 | 23,842
Thereafter | Leases |  |
Liquidity risk |  |
Contractual maturities, non-derivative liabilities | 805 | 646
Thereafter | Other Derivative |  |
Liquidity risk |  |
Contractual maturities, derivative liabilities | 16 | 3
Currency risk related to long-term debt | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (14,305) | (12,903)
Amounts to be exchanged, Pay | 13,417 | 12,516
Currency risk related to long-term debt | Composite long-term debt |  |
Liquidity risk |  |
Total | 52,039 | 53,298
Currency risk related to long-term debt | First year | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (2,350) | (1,373)
Amounts to be exchanged, Pay | 2,257 | 1,356
Currency risk related to long-term debt | 2 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (1,988) | (1,917)
Amounts to be exchanged, Pay | 1,841 | 1,841
Currency risk related to long-term debt | 3 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (387) | (373)
Amounts to be exchanged, Pay | 347 | 347
Currency risk related to long-term debt | 4 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (387) | (373)
Amounts to be exchanged, Pay | 347 | 347
Currency risk related to long-term debt | 5 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (1,381) | (1,332)
Amounts to be exchanged, Pay | 1,309 | 1,309
Currency risk related to long-term debt | 5 years hence to 10 years | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (4,678) | (4,512)
Amounts to be exchanged, Pay | 4,379 | 4,379
Currency risk related to long-term debt | Thereafter | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (3,134) | (3,023)
Amounts to be exchanged, Pay | 2,937 | 2,937
Currency risk related to foreign currency transactions | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (1,408) | (1,366)
Amounts to be exchanged, Pay | 1,393 | 1,393
Currency risk related to foreign currency transactions | First year | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (468) | (845)
Amounts to be exchanged, Pay | 453 | 841
Currency risk related to foreign currency transactions | 2 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (454) | (52)
Amounts to be exchanged, Pay | 430 | 47
Currency risk related to foreign currency transactions | 3 years hence | Currency swap agreement |  |
Liquidity risk |  |
Amounts to be exchanged, (Receive) | (486) | (469)
Amounts to be exchanged, Pay | $ 510 | $ 505

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