Segment Information (Schedule Of Liabilities By Segment) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Liabilities	$ 75,703	$ 76,378
Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Liabilities	22,214	21,757
Total Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Liabilities	5,401	5,758
Boeing Capital [Member]
Segment Reporting Information [Line Items]
Liabilities	2,824	3,719
Other Segment [Member]
Segment Reporting Information [Line Items]
Liabilities	896	969
Unallocated Items And Eliminations [Member]
Segment Reporting Information [Line Items]
Liabilities	44,368	44,175
Total Defense, Space & Security [Member] | Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Liabilities	2,809	3,050
Total Defense, Space & Security [Member] | Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Liabilities	883	1,096
Total Defense, Space & Security [Member] | Global Services & Support [Member]
Segment Reporting Information [Line Items]
Liabilities	$ 1,709	$ 1,612