Condensed Consolidated Statement of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Sales:
Net sales	$ 16,213	$ 14,747	$ 47,344	$ 40,168
Costs and Expenses:
Research and development	676	642	1,922	1,872
Selling, general and administrative	1,229	1,401	3,817	4,189
Total costs and expenses	14,994	15,047	44,020	39,851
Goodwill impairment	0	0	0	(3,183)
Other income, net	124	734	314	835
Operating profit (loss)	1,343	434	3,638	(2,031)
Non-service pension benefit	(491)	(253)	(1,472)	(658)
Interest expense, net	358	350	1,046	1,017
Total non-operating expense (income), net	(133)	97	(426)	359
Income (loss) from continuing operations before income taxes	1,476	337	4,064	(2,390)
Income tax expense	3	152	690	753
Net income (loss) from continuing operations	1,473	185	3,374	(3,143)
Less: Noncontrolling interest in subsidiaries’ earnings from continuing operations	73	34	162	112
Income (loss) from continuing operations attributable to common shareowners	1,400	151	3,212	(3,255)
Discontinued operations (Note 3):
Income (loss) from discontinued operations, before tax	(1)	13	(31)	(219)
Income tax expense (benefit) from discontinued operations	6	(100)	3	137
Net income (loss) from discontinued operations	(7)	113	(34)	(356)
Less: Noncontrolling interest in subsidiaries’ earnings from discontinued operations	0	0	0	43
Income (loss) from discontinued operations attributable to common shareowners	(7)	113	(34)	(399)
Net income (loss) attributable to common shareowners	$ 1,393	$ 264	$ 3,178	$ (3,654)
Earnings (loss) Per Share attributable to common shareowners - Basic:
Income (loss) from continuing operations	$ 0.93	$ 0.10	$ 2.13	$ (2.48)
Income (loss) from discontinued operations	0	0.08	(0.02)	(0.30)
Net income (loss) attributable to common shareowners	0.93	0.17	2.11	(2.79)
Earnings (loss) Per Share attributable to common shareowners - Diluted:
Income (loss) from continuing operations	0.93	0.10	2.13	(2.48)
Income (loss) from discontinued operations	0	0.08	(0.03)	(0.30)
Net income (loss) attributable to common shareowners	$ 0.93	$ 0.17	$ 2.10	$ (2.79)
Product [Member]
Net Sales:
Net sales	$ 12,331	$ 11,469	$ 36,174	$ 30,402
Costs and Expenses:
Cost of Sales	10,296	10,322	30,267	26,571
Service [Member]
Net Sales:
Net sales	3,882	3,278	11,170	9,766
Costs and Expenses:
Cost of Sales	$ 2,793	$ 2,682	$ 8,014	$ 7,219