Condensed Consolidated Statement of Operations Condensed Consolidated Statement of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Sales:
Revenues	$ 19,496	$ 16,510	$ 57,495	$ 48,457
Costs and Expenses:
Research and development	732	586	2,203	1,729
Selling, general and administrative	2,104	1,681	6,207	5,151
Total costs and expenses	17,047	14,803	50,741	43,118
Other income, net	37	131	361	1,303
Operating Income (Loss)	2,486	1,838	7,115	6,642
Non-service pension cost (benefit)	(303)	(188)	(727)	(571)
Interest expense, net	401	258	1,192	721
Income from operations before income taxes	2,388	1,768	6,650	6,492
Income tax expense	1,131	419	1,969	1,636
Net Income from operations	1,257	1,349	4,681	4,856
Less: Noncontrolling interest in subsidiaries' earnings from operations	109	111	287	273
Net income attributable to common shareowners	$ 1,148	$ 1,238	$ 4,394	$ 4,583
Earnings Per Share of Common Stock - Basic:
Net income attributable to common shareowners	$ 1.34	$ 1.56	$ 5.14	$ 5.80
Earnings Per Share of Common Stock - Diluted:
Net income attributable to common shareowners	$ 1.33	$ 1.54	$ 5.09	$ 5.72
Product [Member]
Net Sales:
Revenues	$ 13,651	$ 11,254	$ 40,559	$ 33,032
Costs and Expenses:
Cost of Products and Services Sold	10,461	9,342	31,610	26,512
Service [Member]
Net Sales:
Revenues	5,845	5,256	16,936	15,425
Costs and Expenses:
Cost of Products and Services Sold	$ 3,750	$ 3,194	$ 10,721	$ 9,726