Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net Income from operations	$ 1,257	$ 1,349	$ 4,681	$ 4,856
Foreign currency translation adjustments
Foreign Currency Translation Adjustments, Net of Tax	(489)	(181)	(391)	(321)
Pension and post-retirement benefit plans
Pension and Other Postretirement Benefit Plans, Net of Tax	(347)	54	(290)	207
Unrealized gain (loss) on available-for-sale securities
Other Comprehensive Income (Loss), ASU 2016-01 adoption impact on Securities Arising During Period	0	0	0	(5)
Change in unrealized cash flow hedging
Total unrealized gain (loss) on cash-flow hedging, net of tax	(107)	69	(74)	(103)
Other comprehensive income (loss), net of tax	(943)	(58)	(755)	(222)
Comprehensive income	314	1,291	3,926	4,634
Less: Comprehensive income attributable to noncontrolling interest	91	92	273	249
Comprehensive income attributable to common shareowners	$ 223	$ 1,199	$ 3,653	$ 4,385

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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