Goodwill and Intangible Assets, Net

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets, Net

Goodwill and Intangible Assets, Net.

Goodwill consists of the following:

	March 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Impairment			Net Carrying Value		Gross Carrying Amount		Accumulated Impairment			Net Carrying Value
	(in millions)
Automotive	$	336	$	(87	)	$	249	$	328	$	(87	)	$	241
Food Packaging	6		—			6		6		—			6
	$	342	$	(87	)	$	255	$	334	$	(87	)	$	247

Intangible assets, net consists of the following:

	March 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
	(in millions)
Definite-lived intangible assets:
Customer relationships	$	396	$	(138	)	$	258	$	396	$	(134	)	$	262
Other	278		(134		)	144		316		(139		)	177
	$	674	$	(272	)	$	402	$	712	$	(273	)	$	439
Indefinite-lived intangible assets						$	62						$	62
Intangible assets, net						$	464						$	501

Amortization expense associated with definite-lived intangible assets was $10 million and $12 million for the three months ended March 31, 2019 and 2018, respectively. We utilize the straight-line method of amortization, recognized over the estimated useful lives of the assets.

Acquisitions during the three months ended March 31, 2019 were not material individually or in the aggregate. As a result of certain acquisitions, our Automotive segment allocated $8 million to goodwill and $1 million to definite-lived intangible assets in the first quarter of 2019.