Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income from continuing operations	$ 1,532	$ 1,525	$ 3,000	$ 2,778
Income (loss) from discontinued operations	0	(47)	0	(36)
Net Income	1,532	1,478	3,000	2,742
Foreign currency translation adjustments
Foreign currency translation adjustments arising during period	249	(276)	395	(237)
Less: Reclassification adjustments for loss on sale of an investment in a foreign entity recognized in Other income, net	0	0	0	(1)
Foreign currency translation adjustments	249	(276)	395	(236)
Pension and post-retirement benefit plans
Pension and post-retirement benefit plans adjustments during the period	(5)	(12)	(4)	(37)
Amortization of actuarial loss, prior service cost and transition obligation	132	128	263	254
Total pension and post-retirement benefit plans, before tax	(127)	(116)	(259)	(217)
Tax expense	(47)	(43)	(96)	(81)
Pension and Other Postretirement Benefit Plans, Net of Tax	(80)	(73)	(163)	(136)
Unrealized gain (loss) on available-for-sale securities
Unrealized holding gain (loss) arising during period	30	21	(2)	90
Reclassification adjustments for gain included in Other income, net	24	25	407	52
Total unrealized gain (loss) on available for-sale securities, before tax	6	(4)	(409)	38
Tax benefit (expense)	2	(5)	(156)	14
Total unrealized gain (loss) on available for-sale securities, net of tax	4	1	(253)	24
Change in unrealized cash flow hedging
Unrealized cash flow hedging (loss) gain arising during the period	66	36	130	195
Loss reclassified into Product Sales	(5)	(45)	(10)	(107)
Total unrealized loss (gain) on cash-flow hedging, before tax	71	81	140	302
Tax expense	17	21	32	80
Total unrealized gain (loss) on cash-flow hedging, net of tax	54	60	108	222
Other comprehensive loss, net of tax	387	(142)	413	146
Comprehensive income	1,919	1,336	3,413	2,888
Less: Comprehensive income attributable to noncontrolling interest	111	97	218	191
Comprehensive income attributable to common shareowners	$ 1,808	$ 1,239	$ 3,195	$ 2,697