Goodwill (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table summarizes the changes in the carrying amounts of goodwill by segment:

	Years Ended December 31,
	2020						2019						2018
	North America		International		Total		North America		International		Total		North America		International		Total
Beginning balance	$	1,105	$	80	$	1,185	$	1,105	$	81	$	1,186	$	1,105	$	92	$	1,197
Foreign currency translation	—		(12)		(12)		—		(1)		(1)		—		(11)		(11)
Ending balance	$	1,105	$	68	$	1,173	$	1,105	$	80	$	1,185	$	1,105	$	81	$	1,186