Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table presents the changes in the carrying amount of goodwill for each of the three years in the period ended December 31, 2019:



	General rentals			Trench, power and fluid solutions			Total
Balance at January 1, 2017 (1)	$	2,797		$	463		$	3,260
Goodwill related to acquisitions (2) (3)	797			8			805
Foreign currency translation and other adjustments	13			4			17
Balance at December 31, 2017 (1)	3,607			475			4,082
Goodwill related to acquisitions (2) (3)	752			247			999
Foreign currency translation and other adjustments	(17		)	(6		)	(23		)
Balance at December 31, 2018 (1)	4,342			716			5,058
Goodwill related to acquisitions (2)	10			73			83
Foreign currency translation and other adjustments	10			3			13
Balance at December 31, 2019 (1)	$	4,362		$	792		$	5,154

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(1)	The total carrying amount of goodwill for all periods in the table above is reflected net of $1.557 billion of accumulated impairment charges, which were primarily recorded in our general rentals segment.


(2)	Includes goodwill adjustments for the effect on goodwill of changes to net assets acquired during the measurement period, which were not significant to our previously reported operating results or financial condition.

(3)

For additional detail on the acquisitions of BakerCorp and BlueLine in July 2018 and October 2018, respectively, which accounted for most of the 2018 goodwill related to acquisitions, see note 4 to our consolidated financial statements. The acquisitions of NES and Neff accounted for most of the 2017 goodwill related to acquisitions.

Components of intangible assets

Other intangible assets were comprised of the following at December 31, 2019 and 2018:



	December 31, 2019
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	43 months	$	24	$	14	$	10
Customer relationships	7 years	$	2,246	$	1,364	$	882
Trade names and associated trademarks	4 years	$	5	$	2	$	3



	December 31, 2018
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	31 months	$	24	$	16	$	8
Customer relationships	7 years	$	2,148	$	1,076	$	1,072
Trade names and associated trademarks	5 years	$	5	$	1	$	4

Estimated future amortization expense of intangible assets

As of December 31, 2019, estimated amortization expense for other intangible assets for each of the next five years and thereafter was as follows:



2020	$	250
2021	205
2022	160
2023	116
2024	75
Thereafter	89
Total	$	895