Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income from continuing operations	$ 1,526	$ 1,852	$ 4,533	$ 5,088
Net (loss) income from discontinued operations	(65)	100	78	(40)
Net Income	1,461	1,952	4,611	5,048
Foreign currency translation adjustments
Foreign currency translation adjustments arising during period	(936)	(744)	(1,202)	(429)
Reclassification adjustments for loss (gain) on sale of an investment in a foreign entity recognized in Other income, net	0	(1)	1	(4)
Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent	(936)	(743)	(1,203)	(425)
Pension and post-retirement benefit plans
Pension and post-retirement benefit plans adjustments during the period	112	14	157	15
Amortization of actuarial loss, prior service cost and transition obligation	216	104	651	312
Total pension and post-retirement benefit plans, before tax	(328)	(118)	(808)	(327)
Tax expense	(120)	(42)	(296)	(111)
Pension and Other Postretirement Benefit Plans, Net of Tax	(208)	(76)	(512)	(216)
Unrealized (loss) gain on available-for-sale securities
Unrealized holding (loss) gain arising during period	(69)	(59)	18	(71)
Reclassification adjustments for gain included in Other income, net	2	0	56	30
Total unrealized gain on available for-sale securities, before tax	(71)	(59)	(38)	(101)
Tax benefit	(28)	(22)	(17)	(40)
Total unrealized gain (loss) on available for-sale securities, net of tax	(43)	(37)	(21)	(61)
Change in unrealized cash flow hedging
Unrealized cash flow hedging loss arising during the period	(152)	(142)	(274)	(120)
Loss reclassified into Product Sales	(64)	(24)	(164)	(55)
Total unrealized loss on cash-flow hedging, before tax	(88)	(118)	(110)	(65)
Tax benefit	(25)	(29)	(32)	(12)
Total unrealized loss on cash-flow hedging, net of tax	(63)	(89)	(78)	(53)
Other comprehensive income, net of tax	(834)	(793)	(790)	(323)
Comprehensive income	627	1,159	3,821	4,725
Comprehensive income attributable to noncontrolling interest	76	71	218	267
Comprehensive income attributable to common shareowners	$ 551	$ 1,088	$ 3,603	$ 4,458