XML 218 R185.htm IDEA: XBRL DOCUMENT v3.24.0.1
Commitments and Contingencies - Commitments (Details)
$ in Millions
Dec. 31, 2023
CAD ($)
Disclosure of Commitments [Line Items]  
Coal supply agreements $ 157
Long-term service agreements 424
Operating leases 37
Growth 47
Total 1,486
Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 695
Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 126
2024  
Disclosure of Commitments [Line Items]  
Coal supply agreements 86
Long-term service agreements 60
Operating leases 3
Growth 47
Total 260
2024 | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 55
2024 | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 9
2025  
Disclosure of Commitments [Line Items]  
Coal supply agreements 71
Long-term service agreements 57
Operating leases 3
Growth 0
Total 189
2025 | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 49
2025 | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 9
2026  
Disclosure of Commitments [Line Items]  
Coal supply agreements 0
Long-term service agreements 42
Operating leases 2
Growth 0
Total 100
2026 | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 50
2026 | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 6
2027  
Disclosure of Commitments [Line Items]  
Coal supply agreements 0
Long-term service agreements 44
Operating leases 2
Growth 0
Total 98
2027 | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 48
2027 | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 4
2028  
Disclosure of Commitments [Line Items]  
Coal supply agreements 0
Long-term service agreements 37
Operating leases 2
Growth 0
Total 101
2028 | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 57
2028 | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations 5
2029 and thereafter  
Disclosure of Commitments [Line Items]  
Coal supply agreements 0
Long-term service agreements 184
Operating leases 25
Growth 0
Total 738
2029 and thereafter | Natural gas, transportation and other contracts  
Disclosure of Commitments [Line Items]  
Purchase obligations 436
2029 and thereafter | Transmission  
Disclosure of Commitments [Line Items]  
Purchase obligations $ 93