v3.26.1
additional statement of cash flow information - Financing activities (Details) - CAD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dividends payable to holders of Common Shares        
Changes in liabilities arising from financing activities        
Beginning of period $ 653 $ 610 $ 649 $ 605
Redemptions, repayments or payments (653) (610) (1,302) (1,215)
Other 659 634 1,312 1,244
Ending of period 659 634 659 634
Dividends reinvested in shares from Treasury        
Changes in liabilities arising from financing activities        
Redemptions, repayments or payments 219 205 438 408
Other (219) (205) (438) (408)
Dividends payable to holders of Common Shares net of dividends reinvested in shares from treasury        
Changes in liabilities arising from financing activities        
Beginning of period 653 610 649 605
Redemptions, repayments or payments (434) (405) (864) (807)
Other 440 429 874 836
Ending of period 659 634 659 634
Short-term borrowings        
Changes in liabilities arising from financing activities        
Beginning of period 920 1,325 920 922
Issued or received 475 19 485 413
Redemptions, repayments or payments (188) (349) (209) (351)
Foreign exchange movement 18 (73) 29 (62)
Ending of period 1,225 922 1,225 922
Net-settled derivatives used to manage currency risk arising from U.S. dollar-denominated short-term borrowings - liability (asset)        
Changes in liabilities arising from financing activities        
Beginning of period   (6)   2
Issued or received 41   64 9
Redemptions, repayments or payments (19) (60) (28) (62)
Foreign exchange movement (23) 67 (37) 52
Ending of period (1) 1 (1) 1
Short-term borrowings including Net-settled derivatives used to manage currency risk arising from U.S. dollar-denominated short-term borrowings - liability (asset)        
Changes in liabilities arising from financing activities        
Beginning of period 920 1,319 920 924
Issued or received 516 19 549 422
Redemptions, repayments or payments (207) (409) (237) (413)
Foreign exchange movement (5) (6) (8) (10)
Ending of period 1,224 923 1,224 923
Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 30,019 28,659 30,610 28,786
Issued or received 2,284 8,178 4,341 10,611
Redemptions, repayments or payments (2,735) (4,757) (5,585) (7,517)
Foreign exchange movement (2) (55) 3 (21)
Other 511 388 708 554
Ending of period 30,077 32,413 30,077 32,413
Long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 30,019 28,659 30,610 28,786
Issued or received 1,351 6,469 2,711 8,132
Redemptions, repayments or payments (1,802) (3,048) (3,955) (5,038)
Foreign exchange movement (2) (55) 3 (21)
Other 511 388 708 554
Ending of period 30,077 32,413 30,077 32,413
Partnership distributions payable to non controlling interests        
Changes in liabilities arising from financing activities        
Redemptions, repayments or payments (9)   (14)  
Other 9   14  
TELUS Corporation senior notes | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 17,664 21,277 18,191 22,077
Redemptions, repayments or payments (500)   (1,100) (800)
Foreign exchange movement 80 (238) 148 (242)
Other 3 6 8 10
Ending of period 17,247 21,045 17,247 21,045
TELUS Corporation commercial paper | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 1,643 2,116 952 1,404
Issued or received 1,338 662 2,698 2,124
Redemptions, repayments or payments (933) (1,690) (1,630) (2,440)
Foreign exchange movement 45 (97) 73 (97)
Ending of period 2,093 991 2,093 991
TELUS Corporation credit facilities | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Issued or received   770   770
Redemptions, repayments or payments   (764)   (764)
Foreign exchange movement   (6)   (6)
TELUS Communications Inc. debentures | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period   200   200
Ending of period   200   200
TELUS Corporation junior subordinated notes | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 7,322   7,250  
Issued or received   4,451   4,451
Foreign exchange movement 81 (5) 151 (5)
Other   (32) 2 (32)
Ending of period 7,403 4,414 7,403 4,414
TELUS International (Cda) Inc. credit facility | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period   1,649   1,703
Issued or received   306   507
Redemptions, repayments or payments   (256)   (509)
Foreign exchange movement   (91)   (93)
Other   2   2
Ending of period   1,610   1,610
Other | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 489 580 537 588
Redemptions, repayments or payments (10) (129) (21) (137)
Other   117 (37) 117
Ending of period 479 568 479 568
Other (unsecured) | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 299   295  
Issued or received 13 280 13 280
Redemptions, repayments or payments (273)   (273)  
Foreign exchange movement (5) (7) (1) (7)
Ending of period 34 273 34 273
Lease liabilities | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period 2,714 2,902 3,314 2,882
Redemptions, repayments or payments (100) (176) (945) (369)
Foreign exchange movement 3 7 4 19
Other 358 360 602 561
Ending of period 2,975 3,093 2,975 3,093
Derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt - liability (asset) | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Beginning of period (112) (65) 71 (68)
Issued or received 933 1,709 1,630 2,479
Redemptions, repayments or payments (919) (1,742) (1,616) (2,498)
Foreign exchange movement (206) 382 (372) 410
Other 150 (65) 133 (104)
Ending of period (154) 219 (154) 219
To eliminate effect of gross settlement of derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt | Long-term debt including derivatives used to manage currency risks arising from U.S. dollar-denominated long-term debt        
Changes in liabilities arising from financing activities        
Issued or received (933) (1,709) (1,630) (2,479)
Redemptions, repayments or payments $ 933 $ 1,709 $ 1,630 $ 2,479