Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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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.

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Acquisitions (Narrative) (Details) - USD ($) $ in Millions			12 Months Ended
Acquisitions (Narrative) (Details) - USD ($) $ in Millions	Feb. 18, 2015	Apr. 23, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill			$ 2,791	$ 3,003	$ 2,671
Empaque [Member]
Business Acquisition [Line Items]
Total consideration	$ 1,200
Customer relationships	254
Long-term supply contract	189
Goodwill	$ 618
Empaque [Member] \| Customer relationships [Member]
Business Acquisition [Line Items]
Intangibles, amortization period	18 years
Empaque [Member] \| Contractual Rights [Member]
Business Acquisition [Line Items]
Intangibles, amortization period	15 years
Mivisa [Member]
Business Acquisition [Line Items]
Total consideration		$ 733
Customer relationships		281
Effective date of acquisition			Apr. 23, 2014
Cash acquired		28
Debt assumed		(977)
Acquired trademarks		14
Goodwill		$ 938
Mivisa [Member] \| Customer relationships [Member]
Business Acquisition [Line Items]
Intangibles, amortization period		13 years