GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2020

GOODWILL AND OTHER INTANGIBLES [Abstract]

The balances and changes in the carrying amount of Goodwill (net of cumulative goodwill impairments) by segment are as follows (in millions of dollars):


	United States		Canada		Other businesses		Total
Balance at January 1, 2019	$	192	$	120	$	112	$	424



Translation	—		6		(1)		5
Balance at December 31, 2019	192		126		111		429
Acquisition	—		—		15		15
Impairment	—		—		(58)		(58)
Translation	—		3		2		5
Balance at December 31, 2020	$	192	$	129	$	70	$	391

Schedule of Finite-Lived Intangible Assets by Major Class

The balances and changes in Intangible assets - net are as follows (in millions of dollars):


		As of December 31,
		2020						2019
	Weighted average life	Gross carrying amount		Accumulated amortization/ impairment		Net carrying amount		Gross carrying amount		Accumulated amortization/impairment		Net carrying amount
Customer lists and relationships	11.8 years	$	223	$	171	$	52	$	401	$	301	$	100
Trademarks, trade names and other	14.1 years	36		22		14		36		20		16
Non-amortized trade names and other	—	28		—		28		100		38		62
Capitalized software(1)	4.2 years	461		327		134		626		500		126
Total intangible assets	7.1 years	$	748	$	520	$	228	$	1,163	$	859	$	304

(1) During the fourth quarter of 2020, the Company completed a $223 million non-cash retirement of fully amortized capitalized software as a result of the Company's review of long-lived assets. The retirement includes assets that became inactive in prior years and has no impact on amortization expense.

Schedule of Estimated Amortization Expense

Estimated amortization expense for future periods is as follows (in millions of dollars):


Year	Expense
2021	$	63
2022	48
2023	36
2024	18
2025	16
Thereafter	19
Total	$	200