Reconciliation of Assets from Segment to Consolidated (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 94,633	$ 88,896
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	47,851	41,769
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	16,808	16,943
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	6,637	6,582
Operating Segments [Member] | Defense, Space & Security [Member] | Network And Space Systems Segment [Member]
Segment Reporting Information [Line Items]
Assets	6,220	6,669
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services And Support [Member]
Segment Reporting Information [Line Items]
Assets	3,951	3,692
Operating Segments [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Assets	4,113	4,347
Consolidated Other [Member] | Other Segment [Member]
Segment Reporting Information [Line Items]
Assets	1,331	1,043
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	$ 24,530	$ 24,794