Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Total revenues	$ 23,286	$ 23,898	$ 24,755	$ 22,632	$ 23,573	$ 25,849	$ 24,543	$ 22,149	$ 94,571	$ 96,114	$ 90,762
Earnings from operations	2,183	2,282	(419)	1,788	1,161	2,580	1,683	2,019	5,834	7,443	7,473
Other income/(loss), net									40	(13)	(3)
Interest and debt expense									(306)	(275)	(333)
Earnings before income taxes									5,568	7,155	7,137
Income tax expense									(673)	(1,979)	(1,691)
Net earnings	$ 1,631	$ 2,279	$ (234)	$ 1,219	$ 1,026	$ 1,704	$ 1,110	$ 1,336	4,895	5,176	5,446
Operating Segments [Member]
Segment Reporting Information [Line Items]
Earnings from operations									6,197	8,481	9,636
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Total revenues									65,069	66,048	59,990
Earnings from operations									3,130	5,157	6,411
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Total revenues									29,498	30,388	30,881
Earnings from operations									3,008	3,274	3,133
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Total revenues									12,515	13,424	13,410
Earnings from operations									1,231	1,311	1,294
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Total revenues									7,046	7,751	8,003
Earnings from operations									493	726	698
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Total revenues									9,937	9,213	9,468
Earnings from operations									1,284	1,237	1,141
Operating Segments [Member] | Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Total revenues									298	413	416
Earnings from operations									59	50	92
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Total revenues									(294)	(735)	(525)
Earnings from operations									$ (363)	$ (1,038)	$ (2,163)