v3.26.1
capital structure financial policies (Details)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
CAD ($)
Jun. 30, 2025
CAD ($)
Jun. 30, 2026
CAD ($)
Jun. 30, 2025
CAD ($)
Jun. 30, 2026
CAD ($)
Dec. 31, 2025
CAD ($)
Jun. 30, 2025
CAD ($)
Mar. 31, 2026
CAD ($)
Mar. 31, 2025
CAD ($)
Dec. 31, 2024
CAD ($)
capital structure financial policies                    
Net debt $ 25,963 $ 27,293 $ 25,963 $ 27,293 $ 25,963   $ 27,293      
EBITDA - excluding restructuring and other costs     3,614 3,653 7,315 $ 7,354 7,333      
Net interest cost (Note 9)     754 720 $ 1,497   $ 1,404      
Debt ratio                    
Increase (decrease) in Target Net debt to EBITDA - excluding restructuring and other costs         0.3          
Net debt to EBITDA - excluding restructuring and other costs         3.5   3.7      
Coverage ratios                    
Earnings coverage         0.5   2      
EBITDA - excluding restructuring and other costs interest coverage         4.9   5.2      
Net debt and managed capitalization                    
Long-term debt 30,231 32,194 30,231 32,194 $ 30,231 30,539 $ 32,194      
TELUS Corporation junior subordinated notes equity credit deducted in calculating net debt (3,702) (2,207) (3,702) (2,207) (3,702)   (2,207)      
Debt issuance costs netted against long-term debt 159 172 159 172 159   172      
Derivative (assets) liabilities used to manage interest rate and currency risks associated with U.S. dollar-denominated debt, net (155) 220 (155) 220 (155)   220      
Accumulated other comprehensive income (loss) amounts arising from financial instruments used to manage interest rate and currency risks associated with U.S. dollar-denominated debt - excluding tax effects (408) (326) (408) (326) (408)   (326)      
Cash and temporary investments, net (1,387) (3,682) (1,387) (3,682) (1,387) (2,621) (3,682) $ (1,302) $ (1,014) $ (869)
Short-term borrowings 1,225 922 1,225 922 1,225 920 922      
Net debt 25,963 27,293 25,963 27,293 25,963   27,293      
Common equity 13,281 15,220 13,281 15,220 13,281 15,775 15,220      
Non-controlling interests 808 882 808 882 808 804 882      
Add: TELUS Corporation junior subordinated notes equity credit deducted in calculating net debt 3,702 2,207 3,702 2,207 3,702   2,207      
Less: accumulated other comprehensive income (loss) amounts included above in common equity and non-controlling interests 12 59 12 59 12 (4) 59 $ (40) $ (19) $ 34
Total managed capitalization 43,766 45,661 43,766 45,661 43,766   45,661      
Calculation of EBITDA - excluding restructuring and other costs                    
EBITDA     3,110 3,423 6,609 6,922 6,949      
Restructuring and other costs $ 189 $ 133 504 230 706 432        
EBITDA - excluding restructuring and other costs     $ 3,614 $ 3,653 $ 7,315 $ 7,354 $ 7,333      
Changes in debt and coverage ratios                    
Target leverage ratio         3          
Net debt to operating cash flow ratio maximum         4.25          
Net debt to EBITDA - excluding restructuring and other costs         3.5   3.7      
Earnings coverage ratio         0.5   2      
Increase (decrease) in earnings coverage ratio due to an increase (decrease) in income before borrowing costs and income taxes         1.3   0.2      
EBITDA - excluding restructuring and other costs interest coverage ratio         4.9   5.2      
Increase (decrease) in net interest costs         $ 93          
Increase (decrease) in EBITDA - excluding restructuring and other costs interest coverage ratio due to an (increase) decrease in net interest costs         0.3          
Dividend payout ratio                    
Ratio of TELUS Corporation Common Share dividends declared to cash provided by operating activities - less capital expenditures         109.00%   107.00%      
TELUS Corporation Common Share dividend payout ratio - net of dividend reinvestment plan effects         74.00%   75.00%      
TELUS Corporation Common Share dividends declared         $ 2,600   $ 2,427      
Amount of TELUS Corporation Common Share dividends declared reinvested in TELUS Corporation Common Shares         (879)   (824)      
TELUS Corporation Common Share dividends declared - net of dividend reinvestment plan effects         $ 1,721   $ 1,603      
Minimum                    
Debt ratio                    
Target Net debt to EBITDA - excluding restructuring and other costs         2.5   2.5      
Dividend payout ratio                    
Target dividend payout ratio, (as a per cent)         45.00%   45.00%      
Target ratio from free cash flow         60.00%   60.00%      
Maximum                    
Debt ratio                    
Target Net debt to EBITDA - excluding restructuring and other costs         3   3      
Dividend payout ratio                    
Target dividend payout ratio, (as a per cent)         60.00%   60.00%      
Target ratio from free cash flow         75.00%   75.00%