Reconciliation of Assets from Segment to Consolidated (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	$ 92,653	$ 92,663
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	54,946	49,520
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	18,308	17,362
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	7,379	5,872
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Assets	6,304	6,450
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Assets	4,625	5,040
Operating Segments [Member] | Boeing Capital [Member]
Segment Reporting Information [Line Items]
Assets	3,567	3,914
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Assets	$ 15,832	$ 21,867