Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of changes in accounting principles

In the following table, revenue is summarized by type and by the applicable accounting standard.

	Three Months Ended March 31,
			2020						2019
	Topic 842		Topic 606		Total		Topic 842		Topic 606		Total
Revenues:
Owned equipment rentals	$	1,522	$	—	$	1,522	$	1,530	$	—	$	1,530
Re-rent revenue	34		—		34		35		—		35
Ancillary and other rental revenues:
Delivery and pick-up	—		119		119		—		119		119
Other	81		27		108		80		31		111
Total ancillary and other rental revenues	81		146		227		80		150		230
Total equipment rentals	1,637		146		1,783		1,645		150		1,795
Sales of rental equipment	—		208		208		—		192		192
Sales of new equipment	—		62		62		—		62		62
Contractor supplies sales	—		25		25		—		24		24
Service and other revenues	—		47		47		—		44		44
Total revenues	$	1,637	$	488	$	2,125	$	1,645	$	472	$	2,117

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure

The rollforward of our allowance for doubtful accounts (in total, and associated with revenues arising from both Topic 606 and Topic 842) is shown below.

	Three Months Ended March 31, 2020			Three Months Ended March 31, 2019
Beginning balance	$	103		$	93
Acquired	—			4
Charged to costs and expenses (1)	4			3
Charged to revenue (2)	8			12
Deductions (3)	(8		)	(8		)
Ending balance	$	107		$	104

_________________

(1)    Reflects bad debt expenses recognized within selling, general and administrative expenses (associated with Topic 606 revenues).

(2)    Primarily reflects doubtful accounts associated with lease revenues that were recognized as a reduction to equipment rentals revenue (primarily associated with Topic 842 revenues).

(3)    Represents write-offs of accounts, net of immaterial recoveries.