Segment Information (Reconciliation of Assets from Segment to Consolidated) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	$ 99,198	$ 92,663
Operating Segments [Member] | Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	55,149	49,520
Operating Segments [Member] | Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	17,713	17,362
Operating Segments [Member] | Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	7,232	5,872
Operating Segments [Member] | Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Assets	5,895	6,450
Operating Segments [Member] | Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Assets	4,586	5,040
Operating Segments [Member] | Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Assets	3,525	3,914
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Assets	$ 22,811	$ 21,867