Schedule Of Intersegment Revenues (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]
Intersegment Revenues	$ 22,739	$ 24,755	$ 43,715	$ 47,387
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	367	353	969	786
Intersegment Eliminations [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	362	349	959	777
Intersegment Eliminations [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Intersegment Revenues	$ 5	$ 4	$ 10	$ 9