Segment Information (Reconciliation of Assets from Segment to Consolidated) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Assets	$ 88,896	$ 79,986
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	41,769	35,458
Defense, Space And Security [Member]
Segment Reporting Information [Line Items]
Assets	16,943	17,990
Defense, Space And Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	6,674	7,390
Defense, Space And Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Assets	6,589	7,018
Defense, Space And Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Assets	3,680	3,582
Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Assets	4,077	4,626
Other Segment [Member]
Segment Reporting Information [Line Items]
Assets	1,313	1,112
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	$ 24,794	$ 20,800