property, plant and equipment

12 Months Ended

Dec. 31, 2021

property, plant and equipment

property, plant and equipment

17 property, plant and equipment

		Owned assets												Right-of-use lease assets (Note 19)
				Buildings and		Computer
		Network		leasehold		hardware				Assets under				Network		Real
(millions)	Note	assets		improvements		and other		Land		construction		Total		assets		estate		Other		Total		Total
AT COST
As at January 1, 2020		$	31,713	$	3,314	$	1,373	$	48	$	421	$	36,869	$	219	$	1,267	$	60	$	1,546	$	38,415
Additions 1			998		43		62		5		1,191		2,299		282		224		24		530		2,829
Additions arising from business acquisitions			4		22		12		—		—		38		—		74		6		80		118
Dispositions, retirements and other			(497)		(70)		(142)		—		—		(709)		(2)		(64)		(8)		(74)		(783)
Assets under construction put into service			752		119		100		1		(972)		—		—		—		—		—		—
Net foreign exchange differences			2		—		(2)		—		—		—		—		5		—		5		5
As at December 31, 2020			32,972		3,428		1,403		54		640		38,497		499		1,506		82		2,087		40,584
Additions 1			730		53		82		5		1,593		2,463		300		220		34		554		3,017
Additions arising from business acquisitions	18(b)		—		1		2		—		—		3		—		4		—		4		7
Dispositions, retirements and other			(455)		(36)		(47)		—		—		(538)		(205)		(32)		(17)		(254)		(792)
Assets under construction put into service			1,266		92		88		16		(1,462)		—		—		—		—		—		—
Net foreign exchange differences			(3)		(1)		(3)		—		—		(7)		—		(4)		—		(4)		(11)
As at December 31, 2021		$	34,510	$	3,537	$	1,525	$	75	$	771	$	40,418	$	594	$	1,694	$	99	$	2,387	$	42,805
ACCUMULATED DEPRECIATION
As at January 1, 2020		$	21,060	$	2,052	$	875	$	—	$	—	$	23,987	$	6	$	174	$	16	$	196	$	24,183
Depreciation 2			1,547		127		158		—		—		1,832		37		221		17		275		2,107
Dispositions, retirements and other			(489)		(70)		(142)		—		—		(701)		—		(16)		(6)		(22)		(723)
Net foreign exchange differences			2		—		(2)		—		—		—		—		3		—		3		3
As at December 31, 2020			22,120		2,109		889		—		—		25,118		43		382		27		452		25,570
Depreciation 2			1,526		135		167		—		—		1,828		77		204		17		298		2,126
Dispositions, retirements and other			(573)		(38)		(116)		—		—		(727)		(56)		(15)		(10)		(81)		(808)
Net foreign exchange differences			(3)		1		(2)		—		—		(4)		—		(5)		—		(5)		(9)
As at December 31, 2021		$	23,070	$	2,207	$	938	$	—	$	—	$	26,215	$	64	$	566	$	34	$	664	$	26,879
NET BOOK VALUE
As at December 31, 2020		$	10,852	$	1,319	$	514	$	54	$	640	$	13,379	$	456	$	1,124	$	55	$	1,635	$	15,014
As at December 31, 2021		$	11,440	$	1,330	$	587	$	75	$	771	$	14,203	$	530	$	1,128	$	65	$	1,723	$	15,926

1 For the year ended December 31, 2021, additions include $(171) (2020 – $157) in respect of asset retirement obligations (see Note 25).

2 For the year ended December 31, 2021, depreciation includes $7 (2020 - $23) in respect of impairment of real estate right-of-use lease assets.

As at December 31, 2021, our contractual commitments for the acquisition of property, plant and equipment totalled $574 million over a period ending December 31, 2023 (2020 – $235 million over a period ending December 31, 2022).