Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Revenues	$ 20,976	$ 22,632
Earnings from operations	2,024	1,788
Other income, net	22	26
Interest and debt expense	(87)	(73)
Earnings before income taxes	1,959	1,741
Income tax expense	(508)	(522)
Net earnings	1,451	1,219
Operating Segments [Member]
Segment Reporting Information [Line Items]
Earnings from operations	1,991	1,860
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues	14,305	14,399
Earnings from operations	1,215	1,033
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues	6,532	7,956
Earnings from operations	737	822
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues	2,636	3,659
Earnings from operations	321	334
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues	1,564	1,735
Earnings from operations	98	148
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues	2,332	2,562
Earnings from operations	318	340
Operating Segments [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Revenues	92	64
Earnings from operations	39	5
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Revenues	47	213
Earnings from operations	$ 33	$ (72)