Segment Information (Schedule Of Depreciation And Amortization Expense By Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,833	$ 1,906	$ 1,844
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	625	674	632
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	328	353	320
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	142	164	131
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	106	114	120
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	80	75	69
Operating Segments [Member] | Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	87	97	110
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 793	$ 782	$ 782