Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 350
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 20
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Segment Information Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2014
Segment Reporting Information [Line Items]
Goodwill	$ 7,729	$ 7,749	$ 7,689	$ 5,181
Goodwill adjustments including the effect of foreign currency rate change		60
Effect of foreign currency rate change	(20)
North America
Segment Reporting Information [Line Items]
Goodwill	7,024	7,024	6,955
Goodwill adjustments including the effect of foreign currency rate change		69
Effect of foreign currency rate change	0
EMEA [Member]
Segment Reporting Information [Line Items]
Goodwill	109	129	138
Goodwill adjustments including the effect of foreign currency rate change		(9)
Effect of foreign currency rate change	(20)
Latin America
Segment Reporting Information [Line Items]
Goodwill	596	596	$ 596
Goodwill adjustments including the effect of foreign currency rate change		$ 0
Effect of foreign currency rate change	$ 0