Accumulated Other Comprehensive Income (Reclassification) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales		$ 2,142	$ 2,278	$ 4,035	$ 4,275
Cost of products sold		1,691	1,843	3,212	3,503
Income before income taxes		250	202	387	301
Provision for income taxes		(65)	(49)	(103)	(86)
Net income		185	153	284	215
Total losses on cash flow hedges				29	27
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total losses on cash flow hedges				6	4
Amortization of Defined Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total losses on cash flow hedges				23	23
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income		14	16	29	27
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total losses on cash flow hedges		3	4	6	4
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member] | Commodities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of products sold		3	5	10	4
Income before income taxes		3	5	10	4
Provision for income taxes		(1)	(1)	(3)	(1)
Net income		2	4	7	3
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member] | Foreign Exchange [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales		2	(1)	4	(1)
Cost of products sold		(1)	1	(5)	2
Income before income taxes		1	0	(1)	1
Provision for income taxes
Net income		1	0	(1)	1
Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Defined Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income taxes		14	16	30	31
Provision for income taxes		(3)	(4)	(7)	(8)
Net income		11	12	23	23
Actuarial losses	[1]	27	28	56	55
Prior service credit	[1]	$ (13)	$ (12)	$ (26)	$ (24)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension and postretirement cost. See Note N for further details.