RIGHT-OF-USE ASSETS AND LEASES

12 Months Ended

Dec. 31, 2020

RIGHT-OF-USE ASSETS AND LEASES

RIGHT-OF-USE ASSETS AND LEASES

17. Right-of-Use Assets and Leases

Right-of-use (ROU) assets within Property, Plant and Equipment:

($ millions)	December 31 2020	December 31 2019
Property, plant and equipment, net – excluding ROU assets	65 306	69 745
ROU assets	2 824	2 895
	68 130	72 640

The following table presents the ROU assets by asset class:

($ millions)	Plant and Equipment
Cost
At January 1, 2019	3 326
Additions and adjustments	186
Foreign exchange	(7	)
At December 31, 2019	3 505
Additions and adjustments	312
Disposals	(25	)
Foreign exchange	(6	)
At December 31, 2020	3 786
Accumulated provision
At January 1, 2019	(267	)
Depreciation	(343	)
At December 31, 2019	(610	)
Depreciation	(375	)
Disposals	21
Foreign exchange	2
At December 31, 2020	(962	)
Net ROU assets
At December 31, 2019	2 895
At December 31, 2020	2 824

Other lease-related items recognized in the Consolidated Statements of Comprehensive (Loss) Income:

		For the year ended December 31
($ millions)		2020	2019
Operating, selling and general
	Short-term lease expense	181	236
	Variable lease expense	39	45

There were no leases with residual value guarantees. For the year ended December 31, 2020, total cash outflow for leases, excluding short-term lease expense and variable lease expense, was $501 million (2019 – $464 million).