Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net Income from operations	$ 1,425	$ 1,368
Foreign currency translation adjustments
Foreign Currency Translation Adjustments, Net of Tax	521	539
Pension and post-retirement benefit plans
Pension and Other Postretirement Benefit Plans, Net of Tax	(33)	(73)
Unrealized gain (loss) on available-for-sale securities
Other Comprehensive Income (Loss), ASU 2016-01 adoption impact on Securities Arising During Period	0	(5)
Change in unrealized cash flow hedging
Total unrealized gain (loss) on cash-flow hedging, net of tax	8	14
Other comprehensive income (loss), net of tax	562	621
Comprehensive income	1,987	1,989
Less: Comprehensive income attributable to noncontrolling interest	82	104
Comprehensive income attributable to common shareowners	$ 1,905	$ 1,885