Other Costs (Gains), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Asset charges -
Goodwill impairment	$ 0	$ 0	$ 517	$ 40
Other long-lived asset impairments	18	0	54	4
Accelerated depreciation on underutilized assets	0	0	10	0
Total	18	0	581	44
Other costs (gains) -
Loss on disposal of non-core assets	6	10	6	10
Facility closures and severance	10	2	43	10
Merger costs	6	0	6	0
Mark-to-market impact on currency derivatives not designated as accounting hedges	0	4	11	4
Net loss from currency devaluations	2	0	7	0
Gain from remeasurement of prior interest in equity method investment	0	0	0	(8)
All other costs, net	2	3	4	2
Total	26	19	77	18
Total asset charges and other costs (gains), net	$ 44	$ 19	$ 658	$ 62