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PROPERTY, PLANT AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2022
Property, plant and equipment [abstract]  
Disclosure of detailed information about property, plant and equipment
We depreciate property, plant and equipment over its estimated useful life by charging depreciation expense to net income as follows:
AssetBasisEstimated useful life
BuildingsDiminishing balance
15 to 40 years
Cable and wireless networkStraight-line
3 to 40 years
Computer equipment and softwareStraight-line
4 to 10 years
Customer premise equipmentStraight-line
3 to 6 years
Leasehold improvementsStraight-line
Over shorter of estimated useful life or lease term
Equipment and vehiclesDiminishing balance
3 to 20 years
The tables below summarize our property, plant and equipment as at December 31, 2022 and 2021.
(In millions of dollars)Land and
buildings		Cable and
wireless
networks		Computer
equipment
and software		Customer
premise
equipment		Leasehold
improvements		Equipment
and vehicles		Construction
in process		Total
owned
assets		Right-of-
use assets
(note 8)		Total
property,
plant and
equipment
Cost
As at January 1, 20221,241 22,307 6,607 1,955 680 1,253 1,330 35,373 2,626 37,999 
Additions and transfers44 1,657 729 165 34 70 376 3,075 451 3,526 
Acquisitions from business combinations— 10 — — — — — 10 — 10 
Disposals and other(2)(864)(344)(23)(3)(11)— (1,247)(149)(1,396)
As at December 31, 20221,283 23,110 6,992 2,097 711 1,312 1,706 37,211 2,928 40,139 
Accumulated depreciation
As at January 1, 2022531 14,642 4,682 1,604 353 880 — 22,692 641 23,333 
Depreciation36 1,170 739 210 40 86 — 2,281 274 2,555 
Disposals and other— (863)(342)(66)(3)(11)— (1,285)(38)(1,323)
As at December 31, 2022567 14,949 5,079 1,748 390 955 — 23,688 877 24,565 
Net carrying amount
As at January 1, 2022710 7,665 1,925 351 327 373 1,330 12,681 1,985 14,666 
As at December 31, 2022716 8,161 1,913 349 321 357 1,706 13,523 2,051 15,574 
(In millions of dollars)Land and
buildings		Cable and
wireless
networks		Computer
equipment
and software		Customer
premise
equipment		Leasehold
improvements		Equipment
and vehicles		Construction
in process		Total
owned
assets		Right-of-
use assets
(note 8)		Total
property,
plant and
equipment
Cost
As at January 1, 20211,210 21,913 6,078 1,954 618 1,230 848 33,851 2,248 36,099 
Additions and transfers29 1,167 849 142 62 57 482 2,788 380 3,168 
Acquisitions from business combinations2 29 1 6 — 3 — 41 — 41 
Disposals and other— (802)(321)(147)— (37)— (1,307)(2)(1,309)
As at December 31, 20211,241 22,307 6,607 1,955 680 1,253 1,330 35,373 2,626 37,999 
Accumulated depreciation
As at January 1, 2021496 14,268 4,253 1,515 313 839 — 21,684 397 22,081 
Depreciation35 1,170 751 245 41 80 — 2,322 246 2,568 
Disposals and other— (796)(322)(156)(1)(39)— (1,314)(2)(1,316)
As at December 31, 2021531 14,642 4,682 1,604 353 880 — 22,692 641 23,333 
Net carrying amount
As at January 1, 2021714 7,645 1,825 439 305 391 848 12,167 1,851 14,018 
As at December 31, 2021710 7,665 1,925 351 327 373 1,330 12,681 1,985 14,666