Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenues	$ 25,849	$ 23,784	$ 72,541	$ 66,294
Earnings from operations	2,580	2,119	6,282	5,448
Other (loss)/income, net	(26)	(9)	(23)	11
Interest and debt expense	(67)	(79)	(203)	(252)
Earnings before income taxes	2,487	2,031	6,056	5,207
Income tax expense	(783)	(669)	(1,906)	(1,227)
Net earnings	1,704	1,362	4,150	3,980
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues	17,692	16,110	49,950	43,151
Earnings from operations	1,768	1,797	4,591	4,849
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues	8,350	7,913	22,603	23,293
Earnings from operations	1,022	856	2,311	2,216
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues	4,051	3,534	10,283	10,509
Earnings from operations	496	439	880	935
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues	2,127	2,027	5,797	5,823
Earnings from operations	245	189	563	507
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues	2,172	2,352	6,523	6,961
Earnings from operations	281	228	868	774
Operating Segments [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Revenues	114	91	315	263
Earnings from operations	10	(11)	41	66
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Revenues	(307)	(330)	(327)	(413)
Earnings from operations	$ (220)	$ (523)	$ (661)	$ (1,683)