Reconciliation of Assets from Segment to Consolidated (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 90,447	$ 88,896
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Assets	44,360	41,769
Total Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Assets	17,409	16,943
Total Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Assets	6,885	6,582
Total Defense, Space & Security [Member] | Network And Space Systems [Member]
Segment Reporting Information [Line Items]
Assets	6,662	6,669
Total Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Assets	3,862	3,692
Boeing Capital [Member]
Segment Reporting Information [Line Items]
Assets	4,281	4,347
Other Segment [Member]
Segment Reporting Information [Line Items]
Assets	1,106	1,043
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	$ 23,291	$ 24,794