Segment Information (Schedule Of Capital Expenditures By Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Capital expenditures	$ 2,098	$ 1,703	$ 1,713
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Capital expenditures	694	665	540
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Capital expenditures	330	325	278
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Capital expenditures	186	153	122
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Capital expenditures	96	115	101
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Capital expenditures	48	57	55
Consolidated Other [Member] | Other Segment [Member]
Segment Reporting Information [Line Items]
Capital expenditures	323	232	174
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Capital expenditures	$ 751	$ 481	$ 721