Segment Financial Data (By Geographic Region) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
External Net Sales by Geography	57244	56098	57900
United States Export Sales	$ 10,827	$ 9,741	$ 10,276
Operating profit by Geography	$ 8,172	$ 7,291	$ 9,593
Long-Lived Assets by Geography	9158	8732	8592
United States Operations
External Net Sales by Geography	32335	30989	30814
Operating profit by Geography	$ 4,566	$ 4,391	$ 5,067
Long-Lived Assets by Geography	4822	4517	4211
Europe [Member]
External Net Sales by Geography	11151	10945	12587
United States Export Sales	$ 5,065	$ 4,366	$ 4,137
Operating profit by Geography	$ 1,933	$ 1,882	$ 2,238
Long-Lived Assets by Geography	1538	1525	1577
Asia Pacific [Member]
External Net Sales by Geography	8260	8425	8746
United States Export Sales	$ 3,449	$ 2,902	$ 3,469
Operating profit by Geography	$ 1,484	$ 1,641	$ 1,712
Long-Lived Assets by Geography	999	994	995
Other
External Net Sales by Geography	5479	5584	5511
United States Export Sales	$ 2,313	$ 2,473	$ 2,670
Operating profit by Geography	$ 963	$ 109	$ 760
Long-Lived Assets by Geography	1325	1273	1379
Eliminations and other
External Net Sales by Geography	19	155	242
Operating profit by Geography	$ (774)	$ (732)	$ (184)
Long-Lived Assets by Geography	474	423	430

Disclosure about revenues from external customers (1) attributed to the entity's country of domicile and (2) attributed to all foreign countries in total from which the entity derives revenues.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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Disclosures about long-lived assets (except financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets) that are (1) located in the entity's country of domicile, and (2) located in all foreign countries in which the entity holds assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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