Segment Information (Schedule Of Depreciation And Amortization Expense By Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,906	$ 1,844	$ 1,811
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	674	632	614
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	353	320	310
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	164	131	120
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	114	120	123
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	75	69	67
Operating Segments [Member] | Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	97	110	150
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 782	$ 782	$ 737