Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Income Statements, Captions [Line Items]
Revenues	$ 15,217	$ 16,908
Boeing Capital interest expense	(9)	(12)
Total costs and expenses	(13,808)	(16,768)
Gross profit	1,409	140
Income/(loss) from operating investments, net	37	(2)
General and administrative expense	(1,032)	(873)
Research and development expense, net	(499)	(672)
Gain on dispositions, net	2	54
Loss from operations	(83)	(1,353)
Other income, net	190	112
Interest and debt expense	(679)	(262)
Loss before income taxes	(572)	(1,503)
Income tax benefit	11	862
Net loss	(561)	(641)
Less: net loss attributable to noncontrolling interest	(24)	(13)
Net loss attributable to Boeing Shareholders	$ (537)	$ (628)
Basic loss per share	$ (0.92)	$ (1.11)
Diluted loss per share	$ (0.92)	$ (1.11)
Weighted average diluted shares (millions)	585.4	565.9
Non-Controlling Interest
Condensed Income Statements, Captions [Line Items]
Less: net loss attributable to noncontrolling interest	$ (24)	$ (13)
Product [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	12,518	14,191
Cost of Goods and Services Sold	(11,632)	(14,713)
Service [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	2,699	2,717
Cost of Goods and Services Sold	$ (2,167)	$ (2,043)