Consolidated Statements Of Earnings - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenues	$ 60,828	$ 62,346	$ 67,702
Cost of products sold	57,322	58,727	63,736
Gross Profit	3,506	3,619	3,966
Selling, general and administrative expenses	1,993	1,980	1,985
Asset impairment, exit, and restructuring costs	173	55	200
Interest expense	330	293	308
Equity in earnings of unconsolidated affiliates	(456)	(292)	(390)
Interest income	(106)	(92)	(71)
Other (income) expense - net	(37)	(147)	(350)
Earnings Before Income Taxes	1,609	1,822	2,284
Income tax expense	7	534	438
Net Earnings Including Noncontrolling Interests	1,602	1,288	1,846
Less: Net earnings (losses) attributable to noncontrolling interests	7	9	(3)
Net Earnings Attributable to Controlling Interests	$ 1,595	$ 1,279	$ 1,849
Average number of shares outstanding - basic	569	588	618
Average number of shares outstanding - diluted	572	591	621
Basic earnings per common share (dollars per share)	$ 2.80	$ 2.18	$ 2.99
Diluted earnings per common share (dollars per share)	$ 2.79	$ 2.16	$ 2.98