Consolidated Statements Of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Income Statements, Captions [Line Items]
Total revenues	$ 58,158	$ 76,559	$ 101,127
Boeing Capital interest expense	(43)	(62)	(69)
Total costs and expenses	(63,843)	(72,093)	(81,490)
Gross profit	(5,685)	4,466	19,637
Income/(loss) from operating investments, net	9	(4)	111
General and administrative expense	(4,817)	(3,909)	(4,567)
Research and development expense, net	(2,476)	(3,219)	(3,269)
Gain/(loss) on dispositions, net	202	691	75
(Loss)/earnings from operations	(12,767)	(1,975)	11,987
Other income, net	447	438	92
Interest and debt expense	(2,156)	(722)	(475)
(Loss)/earnings before income taxes	(14,476)	(2,259)	11,604
Income tax benefit/(expense)	$ 2,535	$ 1,623	$ (1,144)
Basic (loss)/earnings per share	$ (20.88)	$ (1.12)	$ 18.05
Diluted earnings per share	$ (20.88)	$ (1.12)	$ 17.85
Net (loss)/earnings	$ (11,941)	$ (636)	$ 10,460
Net Income (Loss) Attributable to Noncontrolling Interest	(68)
Net (loss)/earnings attributable to Boeing Shareholders	(11,873)	(636)	10,460
Product [Member]
Condensed Income Statements, Captions [Line Items]
Total revenues	47,142	66,094	90,229
Cost of Goods and Services Sold	(54,568)	(62,877)	(72,922)
Service [Member]
Condensed Income Statements, Captions [Line Items]
Total revenues	11,016	10,465	10,898
Cost of Goods and Services Sold	$ (9,232)	$ (9,154)	$ (8,499)