Accumulated Other Comprehensive Income - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net sales		$ 2,278	$ 2,383	$ 4,275	$ 4,376
Cost of products sold		1,843	1,960	3,503	3,621
Income before income taxes		202	177	301	256
Provision for income taxes		(49)	(50)	(86)	(83)
Net income		153	127	215	173
Total gains and losses on cash flow hedges				27	53
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total gains and losses on cash flow hedges				4	21
Amortization of Defined Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total gains and losses on cash flow hedges				23	32
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income		16	23	27	53
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total gains and losses on cash flow hedges		4	6	4	21
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		5	7	4	26
Income before income taxes		5	7	4	26
Provision for income taxes		(1)	(1)	(1)	(7)
Net income		4	6	3	19
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		(1)	(1)	(1)	0
Cost of products sold		1	1	2	2
Income before income taxes		0	0	1	2
Provision for income taxes		0	0	0	0
Net income		0	0	1	2
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		16	22	31	40
Provision for income taxes		(4)	(5)	(8)	(8)
Net income		12	17	23	32
Amortization of defined benefit plan items, actuarial losses	[1]	28	34	55	64
Amortization of defined benefit plan items, prior service credit	[1]	$ (12)	$ (12)	$ (24)	$ (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.