Business Segment and Geographic Region Information - Geographic Region Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 19,747	$ 20,855	$ 22,552
Net property, plant and equipment	3,443	3,565	3,750
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	10,937	11,396	11,701
Net property, plant and equipment	1,924	1,982	1,988
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	898	969	1,113
Net property, plant and equipment	19	19	25
Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,448	1,726	1,988
Net property, plant and equipment	281	243	306
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	4,228	4,379	5,074
Net property, plant and equipment	681	734	799
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,236	2,385	2,676
Net property, plant and equipment	$ 538	$ 587	$ 632