Segment Information (Schedule Of Depreciation And Amortization Expense By Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,910	$ 1,833	$ 1,906
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	682	625	674
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	292	328	353
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	113	142	164
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	106	106	114
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	73	80	75
Operating Segments [Member] | Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	83	87	97
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 853	$ 793	$ 782