v3.25.4
Material accounting policies (Tables)
 12 Months Ended
Dec. 31, 2025
Accounting Policies, Changes In Accounting Estimates And Errors [Abstract]  
Disclosure of intangible assets with a finite life and property plant and equipment useful life
Estimated useful life
Property, plant and equipment
Network infrastructure and equipment
2 to 40 years
Buildings
5 to 50 years
Finite-life intangible assets
Software
2 to 12 years
Customer relationships
2 to 26 years
Program and feature film rights
Up to 5 years
Disclosure of detailed information about intangible assets
Finite-life Indefinite-life
For the year ended
December 31, 2025		 Note Software Customer relation-ships Program and feature film rights Other Total Brands Spectrum and other licences Broadcast licences Total Total intangible assets
Cost
January 1, 2025 12,000  1,818  677  514  15,009  2,387  6,500  855  9,742  24,751 
Additions 332  —  1,403  9  1,744  —  6  —  6  1,750 
Business acquisitions 4 64  834  23  1  922  233  30  —  263  1,185 
Transfers 920  —  —  13  933  (13) —  —  (13) 920 
Retirements and disposals (579) (43) —  (35) (657) —  —  —  —  (657)
Impairment losses recognized in
    earnings		 8 (48) (1) (250) (3) (302) (43) (17) (523) (583) (885)
Amortization included in operating
    costs		 —  —  (1,105) —  (1,105) —  —  —  —  (1,105)
Net foreign exchange differences (1) (5) —  —  (6) (2) —  —  (2) (8)
Reclassified to assets held for sale 17 —  (1) —  —  (1) —  —  —  —  (1)
December 31, 2025 12,688  2,602  748  499  16,537  2,562  6,519  332  9,413  25,950 
Accumulated amortization
January 1, 2025 6,517  1,185  —  263  7,965  —  —  —  —  7,965 
Amortization 1,225  124  —  28  1,377  —  —  —  —  1,377 
Transfers 4  —  —  —  4  —  —  —  —  4 
Retirements and disposals (572) (23) —  (35) (630) —  —  —  —  (630)
December 31, 2025 7,174  1,286  —  256  8,716  —  —  —  —  8,716 
Net carrying amount
January 1, 2025 5,483  633  677  251  7,044  2,387  6,500  855  9,742  16,786 
December 31, 2025 5,514  1,316  748  243  7,821  2,562  6,519  332  9,413  17,234 
Finite-life Indefinite-life
For the year ended
December 31, 2024		 Note Software Customer
relation-
ships		 Program
and feature
film rights		 Other Total Brands Spectrum and other licences Broadcast licences Total Total intangible assets
Cost
January 1, 2024 11,345  1,778  651  521  14,295  2,432  5,949  1,434  9,815  24,110 
Additions 317  —  1,328  4  1,649  —  553  —  553  2,202 
Business acquisitions 4 4  40  —  —  44  4  1  —  5  49 
Transfers 1,279  —  —  —  1,279  —  —  —  —  1,279 
Retirements and disposals (860) —  —  (1) (861) —  —  (1) (1) (862)
Impairment losses recognized in
    earnings		 8 (85) —  (144) (10) (239) (49) —  (578) (627) (866)
Amortization included in operating
    costs		 —  —  (1,158) —  (1,158) —  —  —  —  (1,158)
Reclassified to assets held for sale 17 —  —  —  —  —  —  (3) —  (3) (3)
December 31, 2024 12,000  1,818  677  514  15,009  2,387  6,500  855  9,742  24,751 
Accumulated amortization
January 1, 2024 6,193  1,089  —  219  7,501  —  —  —  —  7,501 
Amortization 1,142  96  —  45  1,283  —  —  —  —  1,283 
Retirements and disposals (818) —  —  (1) (819) —  —  —  —  (819)
December 31, 2024 6,517  1,185  —  263  7,965  —  —  —  —  7,965 
Net carrying amount
January 1, 2024 5,152  689  651  302  6,794  2,432  5,949  1,434  9,815  16,609 
December 31, 2024 5,483  633  677  251  7,044  2,387  6,500  855  9,742  16,786