Consolidated Statements Of Operations - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Condensed Income Statements, Captions [Line Items]
Total revenues	$ 28,341	$ 25,146	$ 24,258	$ 23,382	$ 24,770	$ 24,223	$ 23,051	$ 21,961	$ 101,127	$ 94,005	$ 93,496
Boeing Capital interest expense									(69)	(70)	(59)
Total costs and expenses	(22,090)	(21,040)	(19,536)	(18,824)	(19,881)	(19,956)	(18,702)	(18,073)	(81,490)	(76,612)	(79,026)
Gross profit									19,637	17,393	14,470
Income from operating investments, net									111	204	303
General and administrative expense									(4,567)	(4,095)	(3,613)
Research and development expense, net									(3,269)	(3,179)	(4,626)
Gain/(loss) on dispositions, net									75	21	(7)
Earnings from operations	4,175	2,227	2,710	2,875	2,978	2,630	2,530	2,206	11,987	10,344	6,527
Other income/(loss), net									92	123	(438)
Interest and debt expense									(475)	(360)	(306)
Earnings before income taxes									11,604	10,107	5,783
Income tax expense									(1,144)	(1,649)	(749)
Net earnings	$ 3,424	$ 2,363	$ 2,196	$ 2,477	$ 3,320	$ 1,810	$ 1,749	$ 1,579	$ 10,460	$ 8,458	$ 5,034
Basic earnings per share	$ 6.00	$ 4.11	$ 3.77	$ 4.19	$ 5.57	$ 3.03	$ 2.91	$ 2.57	$ 18.05	$ 14.03	$ 7.92
Diluted earnings per share	$ 5.93	$ 4.07	$ 3.73	$ 4.15	$ 5.49	$ 2.99	$ 2.87	$ 2.54	$ 17.85	$ 13.85	$ 7.83
Product [Member]
Condensed Income Statements, Captions [Line Items]
Total revenues									$ 90,229	$ 83,740	$ 83,198
Cost of Goods and Services Sold									(72,922)	(68,879)	(71,013)
Service [Member]
Condensed Income Statements, Captions [Line Items]
Total revenues									10,898	10,265	10,298
Cost of Goods and Services Sold									$ (8,499)	$ (7,663)	$ (7,954)