Schedule Of Intersegment Revenues (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Intersegment Revenues	$ 24,309	$ 23,898	$ 68,024	$ 71,285
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	350	970	1,285	1,734
Intersegment Eliminations [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	325	949	1,224	1,668
Intersegment Eliminations [Member] | Global Services [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	12	17	38	53
Intersegment Eliminations [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	$ 13	$ 4	$ 23	$ 13