XML 176 R154.htm IDEA: XBRL DOCUMENT v3.24.0.1
RELATED PARTY TRANSACTIONS - Transactions With Significantly Influenced Investees (Details) - CAD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
RELATED PARTY TRANSACTIONS                      
Operating revenues (Note 4) $ 11,298 $ 9,844 $ 10,432 $ 12,075 $ 13,424 $ 11,573 $ 13,215 $ 15,097 $ 43,649 $ 53,309 $ 47,071
Operating and administrative                 8,600 8,219 6,712
Significantly Influenced Investees                      
RELATED PARTY TRANSACTIONS                      
Operating and administrative                 625 503 380
Commodity costs                 63 778 790
Gas distribution costs                 $ 140 136 131
Offshore - various joint ventures | Minimum | Offshore - various joint ventures | Gas Transmission and Midstream                      
RELATED PARTY TRANSACTIONS                      
Ownership interest (as a percent) 22.00%               22.00%    
Offshore - various joint ventures | Maximum | Offshore - various joint ventures | Gas Transmission and Midstream                      
RELATED PARTY TRANSACTIONS                      
Ownership interest (as a percent) 74.30%               74.30%    
Other | Minimum | Other | Gas Distribution and Storage                      
RELATED PARTY TRANSACTIONS                      
Ownership interest (as a percent) 30.00%               30.00%    
Other | Maximum | Other | Gas Distribution and Storage                      
RELATED PARTY TRANSACTIONS                      
Ownership interest (as a percent) 50.00%               50.00%    
Transportation and other services                      
RELATED PARTY TRANSACTIONS                      
Operating revenues (Note 4)                 $ 19,829 18,506 16,172
Transportation and other services | Significantly Influenced Investees                      
RELATED PARTY TRANSACTIONS                      
Operating revenues (Note 4)                 169 185 237
Commodity sales                      
RELATED PARTY TRANSACTIONS                      
Operating revenues (Note 4)                 18,981 29,150 26,873
Commodity sales | Significantly Influenced Investees                      
RELATED PARTY TRANSACTIONS                      
Operating revenues (Note 4)                 0 51 20
Seaway Crude Pipeline System | Significantly Influenced Investees                      
RELATED PARTY TRANSACTIONS                      
Operating and administrative                 632 495 389
Aux Sable Canada LP | Significantly Influenced Investees                      
RELATED PARTY TRANSACTIONS                      
Commodity costs                 $ 2 $ 571 $ 447