Condensed Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Top Element - 00002 - Statement - Condensed Consolidated Statement of Comprehensive Income [Abstract]
Net income from continuing operations	$ 1,952	$ 1,526	$ 5,048	$ 4,523
Net income from discontinued operations	0	17	0	21
Net income	1,952	1,543	5,048	4,544
Foreign currency translation adjustments
Foreign currency translation adjustments arising during period	(744)	436	(429)	(448)
Reclassification adjustments for loss on sale of an investment in a foreign entity recognized in Other income, net	1	(1)	4	31
Total Foreign currency translation adjustments	(743)	435	(425)	(417)
Pension and post-retirement benefit plans
Pension and post-retirement benefit plans adjustments during the period	14	(18)	15	39
Amortization of actuarial loss, prior service cost and transition obligation	104	226	312	680
Total pension and post-retirement benefit plans, before tax	118	208	327	719
Tax expense	(42)	(64)	(111)	(247)
Pension and Other Postretirement Benefit Plans, Net of Tax	76	144	216	472
Unrealized (loss) gain on available-for-sale securities
Unrealized holding (loss) gain arising during period	(59)	93	(71)	226
Reclassification adjustments for gain included in Other income, net	0	(27)	(30)	(81)
Total unrealized (loss) gain on available for-sale securities, before tax	(59)	66	(101)	145
Tax benefit (expense)	22	(25)	40	(55)
Total unrealized (loss) gain on available for-sale securities, net of tax	(37)	41	(61)	90
Change in unrealized cash flow hedging
Unrealized cash flow hedging (loss) gain arising during the period	(142)	97	(120)	(62)
Loss (gain) reclassified into Product Sales	24	(1)	55	22
Gain reclassified into Other income, net	0	0	0	(2)
Total unrealized (loss) gain on cash-flow hedging, before tax	(118)	96	(65)	(42)
Tax benefit (expense)	29	(24)	12	11
Total unrealized (loss) gain on cash-flow hedging, net of tax	(89)	72	(53)	(31)
Other comprehensive (loss) income, net of tax	(793)	692	(323)	114
Comprehensive income	1,159	2,235	4,725	4,658
Comprehensive income attributable to noncontrolling interest	(71)	(128)	(267)	(277)
Comprehensive income attributable to common shareowners	$ 1,088	$ 2,107	$ 4,458	$ 4,381