Condensed Consolidated Statement of Operations Condensed Consolidated Statement of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Sales:
Revenues	$ 16,510	$ 15,062	$ 48,457	$ 44,157
Costs and Expenses:
Research and development	586	592	1,729	1,797
Selling, general and administrative	1,681	1,582	5,151	4,709
Total costs and expenses	14,803	13,280	43,118	38,912
Other income, net	131	250	1,303	1,095
Operating profit	1,838	2,032	6,642	6,340
Non-service pension cost (benefit)	(188)	(131)	(571)	(380)
Interest expense, net	258	223	721	662
Income from operations before income taxes	1,768	1,940	6,492	6,058
Income tax expense	419	506	1,636	1,624
Net Income from operations	1,349	1,434	4,856	4,434
Less: Noncontrolling interest in subsidiaries' earnings from operations	111	104	273	279
Income from continuing operations attributable to common shareowners	1,238	1,330	4,583	4,155
Net income attributable to common shareowners	$ 1,238	$ 1,330	$ 4,583	$ 4,155
Earnings Per Share of Common Stock - Basic:
Income from continuing operations attributable to common shareowners	$ 1.56	$ 1.69	$ 5.80	$ 5.26
Net income attributable to common shareowners	1.56	1.69	5.80	5.26
Earnings Per Share of Common Stock - Diluted:
Income from continuing operations attributable to common shareowners	1.54	1.67	5.72	5.20
Net income attributable to common shareowners	$ 1.54	$ 1.67	$ 5.72	$ 5.20
Product [Member]
Net Sales:
Revenues	$ 11,254	$ 10,378	$ 33,032	$ 30,676
Costs and Expenses:
Cost of Goods and Services Sold	9,342	7,800	26,512	23,068
Service [Member]
Net Sales:
Revenues	5,256	4,684	15,425	13,481
Costs and Expenses:
Cost of Goods and Services Sold	$ 3,194	$ 3,306	$ 9,726	$ 9,338