Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The following table presents the changes in the carrying amount of goodwill for each of the three years in the period ended December 31, 2016:

	General rentals			Trench, power and pump			Total
Balance at January 1, 2014 (1)	$	2,812		$	141		$	2,953
Goodwill related to acquisitions (2)	12			330			342
Foreign currency translation and other adjustments	(20		)	(3		)	(23		)
Balance at December 31, 2014 (1)	2,804			468			3,272
Goodwill related to acquisitions (2)	16			—			16
Foreign currency translation and other adjustments	(34		)	(11		)	(45		)
Balance at December 31, 2015 (1)	2,786			457			3,243
Goodwill related to acquisitions (2)	5			4			9
Foreign currency translation and other adjustments	6			2			8
Balance at December 31, 2016 (1)	$	2,797		$	463		$	3,260

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(1) The total carrying amount of goodwill for all periods in the table above is reflected net of $1,557 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.

Components of intangible assets

Other intangible assets were comprised of the following at December 31, 2016 and 2015:

	December 31, 2016
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	28 months	$	70	$	57	$	13
Customer relationships	10 years	$	1,465	$	737	$	728
Trade names and associated trademarks	4 months	$	80	$	79	$	1

	December 31, 2015
	Weighted-Average Remaining Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Amount
Non-compete agreements	31 months	$	69	$	44	$	25
Customer relationships	11 years	$	1,453	$	583	$	870
Trade names and associated trademarks	16 months	$	80	$	70	$	10

Estimated future amortization expense of intangible assets

As of December 31, 2016, estimated amortization expense for other intangible assets for each of the next five years and thereafter was as follows:

2017	$	146
2018	126
2019	111
2020	95
2021	80
Thereafter	184
Total	$	742