Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenues	$ 22,739	$ 24,755	$ 43,715	$ 47,387
Earnings/(loss) from operations	2,535	(419)	4,559	1,369
Other income, net	27	13	49	39
Interest and debt expense	(93)	(73)	(180)	(146)
Earnings before income taxes	2,469	(479)	4,428	1,262
Income tax (expense)/benefit	(708)	245	(1,216)	(277)
Net earnings/(loss)	1,761	(234)	3,212	985
Operating Segments [Member]
Segment Reporting Information [Line Items]
Earnings/(loss) from operations	2,482	(362)	4,473	1,498
Operating Segments [Member] \| Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues	15,713	17,456	30,018	31,855
Earnings/(loss) from operations	1,567	(973)	2,782	60
Operating Segments [Member] \| Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues	6,886	7,174	13,418	15,130
Earnings/(loss) from operations	890	593	1,627	1,415
Operating Segments [Member] \| Defense, Space & Security [Member] \| Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues	2,904	2,979	5,540	6,638
Earnings/(loss) from operations	382	175	703	509
Operating Segments [Member] \| Defense, Space & Security [Member] \| Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues	1,674	1,810	3,238	3,545
Earnings/(loss) from operations	152	153	250	301
Operating Segments [Member] \| Defense, Space & Security [Member] \| Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues	2,308	2,385	4,640	4,947
Earnings/(loss) from operations	356	265	674	605
Operating Segments [Member] \| Boeing Capital [Member]
Segment Reporting Information [Line Items]
Revenues	72	84	164	148
Earnings/(loss) from operations	25	18	64	23
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Revenues	68	41	115	254
Earnings/(loss) from operations	$ 53	$ (57)	$ 86	$ (129)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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