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Other non-current assets
 12 Months Ended
Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract]  
Other non-current assets Other non-current assets
For the year ended December 31 Note 2024 2023
Long-term wireless device financing plan receivables 12  410  401 
Long-term receivables 430  331 
Derivative assets 29  224  116 
Publicly-traded and privately-held investments 29  877  587 
Investments(1)
 29 225  216 
Other 123  63 
Total other non-current assets 2,289  1,714 
(1)These amounts have been pledged as security related to obligations for certain employee benefits and are not available for general use.