Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Revenues	$ 23,898	$ 25,849	$ 71,285	$ 72,541
Earnings from operations	2,282	2,580	3,651	6,282
Other income/(loss), net	2	(26)	41	(23)
Interest and debt expense	(81)	(67)	(227)	(203)
Earnings before income taxes	2,203	2,487	3,465	6,056
Income tax (expense)/benefit	76	(783)	(201)	(1,906)
Net earnings	2,279	1,704	3,264	4,150
Operating Segments [Member]
Segment Reporting Information [Line Items]
Earnings from operations	2,394	2,800	3,892	6,943
Operating Segments [Member] \| Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues	16,973	17,692	48,828	49,950
Earnings from operations	1,597	1,768	1,657	4,591
Operating Segments [Member] \| Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues	7,508	8,350	22,638	22,603
Earnings from operations	784	1,022	2,199	2,311
Operating Segments [Member] \| Defense, Space & Security [Member] \| Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues	3,260	4,037	9,898	10,237
Earnings from operations	434	494	943	874
Operating Segments [Member] \| Defense, Space & Security [Member] \| Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues	1,701	2,127	5,246	5,797
Earnings from operations	35	245	336	563
Operating Segments [Member] \| Defense, Space & Security [Member] \| Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues	2,547	2,186	7,494	6,569
Earnings from operations	315	283	920	874
Operating Segments [Member] \| Boeing Capital [Member]
Segment Reporting Information [Line Items]
Revenues	63	114	211	315
Earnings from operations	13	10	36	41
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Revenues	(646)	(307)	(392)	(327)
Earnings from operations	$ (112)	$ (220)	$ (241)	$ (661)

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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