Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income from continuing operations	$ 1,519	$ 1,572	$ 2,780	$ 3,007
(Loss) income from discontinued operations	(47)	80	(36)	143
Net Income	1,472	1,652	2,744	3,150
Foreign currency translation adjustments
Foreign currency translation adjustments arising during period	(276)	439	(237)	(266)
Less: Reclassification adjustments for loss (gain) on sale of an investment in a foreign entity recognized in Other income, net	0	(1)	(1)	1
Foreign currency translation adjustments	(276)	440	(236)	(267)
Pension and post-retirement benefit plans
Pension and post-retirement benefit plans adjustments during the period	(12)	(7)	(37)	45
Amortization of actuarial loss, prior service cost and transition obligation	128	218	254	435
Total pension and post-retirement benefit plans, before tax	(116)	(211)	(217)	(480)
Tax expense	(43)	(79)	(81)	(176)
Pension and Other Postretirement Benefit Plans, Net of Tax	(73)	(132)	(136)	(304)
Unrealized gain (loss) on available-for-sale securities
Unrealized holding gain arising during period	21	1	90	87
Reclassification adjustments for gain included in Other income, net	25	26	52	54
Total unrealized (loss) gain on available for-sale securities, before tax	(4)	(25)	38	33
Tax benefit (expense)	(5)	(11)	14	11
Total unrealized gain (loss) on available for-sale securities, net of tax	1	(14)	24	22
Change in unrealized cash flow hedging
Unrealized cash flow hedging gain (loss) arising during the period	36	62	195	(122)
Loss reclassified into Product Sales	(45)	(43)	(107)	(100)
Total unrealized loss (gain) on cash-flow hedging, before tax	81	105	302	(22)
Tax (expense) benefit	21	29	80	(7)
Total unrealized gain (loss) on cash-flow hedging, net of tax	60	76	222	(15)
Other comprehensive (loss) income, net of tax	(142)	634	146	44
Comprehensive income	1,330	2,286	2,890	3,194
Less: Comprehensive income attributable to noncontrolling interest	97	110	191	142
Comprehensive income attributable to common shareowners	$ 1,233	$ 2,176	$ 2,699	$ 3,052