Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consisted of:

	As of December 31, 2018						As of December 31, 2017
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized Intangible Assets
License agreements (a)	$	305	$	168	$	137	$	281	$	140	$	141
Customer relationships (b)	251		141		110		242		119		123
Other (c)	52		21		31		51		18		33
	$	608	$	330	$	278	$	574	$	277	$	297
Unamortized Intangible Assets
Goodwill	$	1,092					$	1,073
Trademarks	$	547					$	553

_________

^(a)  Primarily amortized over a period ranging from 0 to 40 years with a weighted average life of 16 years.

^(b)  Primarily amortized over a period ranging from 3 to 20 years with a weighted average life of 12 years.

^(c)  Primarily amortized over a period ranging from 3 to 10 years with a weighted average life of 9 years.

Schedule of Intangible Assets Amortization Expense

Amortization expense relating to all intangible assets was as follows:

	Year Ended December 31,
	2018		2017		2016
License agreements	$	36	$	33	$	35
Customer relationships	24		24		23
Other	5		5		7
Total	$	65	$	62	$	65

Schedule of Goodwill

The carrying amounts of goodwill and related changes are as follows:

		Americas			International			Total Company
Gross goodwill as of January 1, 2017		$	2,139		$	986		$	3,125
	Accumulated impairment losses as of January 1, 2017	(1,587		)	(531		)	(2,118		)
Goodwill as of January 1, 2017		552			455			1,007
	Acquisitions	—			5			5
	Currency translation adjustments and other	—			61			61
Goodwill as of December 31, 2017		552			521			1,073
	Acquisitions	—			54			54
	Currency translation adjustments and other	(13		)	(22		)	(35		)
Goodwill as of December 31, 2018		$	539		$	553		$	1,092