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Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Goodwill Identified by Segment

Goodwill is identified by segment as follows (in millions):

		United States				Canada				International				Total
Balance at December 31, 2016 (1)		$	117			$	91			$	103			$	311
Additions			2				—				—				2
Foreign currency translation adjustments			—				7				8				15
Balance at December 31, 2017		$	119				98				111				328
Foreign currency translation adjustments			—			$	(8	)		$	(6	)			(14	)
Balance at December 31, 2018		$	119			$	90			$	105			$	314

⁽¹⁾ Net of prior years’ United States accumulated impairment of $393 million.

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- References

No definition available.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

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