Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed Income Statements, Captions [Line Items]
Revenues	$ 15,278	$ 14,139	$ 47,493	$ 42,854
Boeing Capital interest expense	(7)	(10)	(25)	(33)
Total costs and expenses	(13,566)	(13,105)	(41,962)	(42,851)
Gross profit	1,712	1,034	5,531	3
Income/(loss) from operating investments, net	120	(14)	195	(61)
General and administrative expense	(1,097)	(955)	(3,169)	(2,989)
Research and development expense, net	(575)	(574)	(1,571)	(1,871)
Gain on dispositions, net	169	108	283	200
Earnings/(loss) from operations	329	(401)	1,269	(4,718)
Other income, net	30	119	419	325
Interest and debt expense	(669)	(643)	(2,021)	(1,458)
Loss before income taxes	(310)	(925)	(333)	(5,851)
Income tax benefit	178	459	207	2,349
Net loss	(132)	(466)	(126)	(3,502)
Less: net loss attributable to noncontrolling interest	(23)	(17)	(67)	(49)
Net loss attributable to Boeing Shareholders	$ (109)	$ (449)	$ (59)	$ (3,453)
Basic loss per share	$ (0.19)	$ (0.79)	$ (0.10)	$ (6.10)
Diluted loss per share	$ (0.19)	$ (0.79)	$ (0.10)	$ (6.10)
Weighted average diluted shares (millions)	589.0	566.6	587.3	566.3
(Loss)/earnings before income taxes	$ (310)	$ (925)	$ (333)	$ (5,851)
Non-Controlling Interest
Condensed Income Statements, Captions [Line Items]
Less: net loss attributable to noncontrolling interest	(23)	(17)	(67)	(49)
Product [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	12,552	11,402	39,224	34,656
Cost of Goods and Services Sold	(11,271)	(10,910)	(35,166)	(36,001)
Service [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	2,726	2,737	8,269	8,198
Cost of Goods and Services Sold	$ (2,288)	$ (2,185)	$ (6,771)	$ (6,817)