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Summary Of Business Segment Data (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 24,468us-gaap_Revenues	$ 23,784us-gaap_Revenues	$ 22,045us-gaap_Revenues	$ 20,465us-gaap_Revenues	$ 23,785us-gaap_Revenues	$ 22,130us-gaap_Revenues	$ 21,815us-gaap_Revenues	$ 18,893us-gaap_Revenues	$ 90,762us-gaap_Revenues	$ 86,623us-gaap_Revenues	$ 81,698us-gaap_Revenues
Earnings from operations	2,025us-gaap_OperatingIncomeLoss	2,119us-gaap_OperatingIncomeLoss	1,787us-gaap_OperatingIncomeLoss	1,542us-gaap_OperatingIncomeLoss	1,515us-gaap_OperatingIncomeLoss	1,803us-gaap_OperatingIncomeLoss	1,716us-gaap_OperatingIncomeLoss	1,528us-gaap_OperatingIncomeLoss	7,473us-gaap_OperatingIncomeLoss	6,562us-gaap_OperatingIncomeLoss	6,290us-gaap_OperatingIncomeLoss
Other (loss)/income, net									(3)us-gaap_OtherNonoperatingIncomeExpense	56us-gaap_OtherNonoperatingIncomeExpense	62us-gaap_OtherNonoperatingIncomeExpense
Interest and debt expense									(333)us-gaap_InterestAndDebtExpense	(386)us-gaap_InterestAndDebtExpense	(442)us-gaap_InterestAndDebtExpense
Earnings before income taxes									7,137	6,232	5,910
Income tax expense									(1,691)us-gaap_IncomeTaxExpenseBenefit	(1,646)us-gaap_IncomeTaxExpenseBenefit	(2,007)us-gaap_IncomeTaxExpenseBenefit
Net earnings from continuing operations	1,466	1,362	1,653	965	1,233	1,160	1,087	1,106	5,446	4,586	3,903
Net loss on disposal of discontinued operations, net of taxes of $0, $0, and $2						(2)	1			(1)	(3)
Net loss on disposal of discontinued operations, taxes									0	0	(2)
Net earnings	1,466us-gaap_NetIncomeLoss	1,362us-gaap_NetIncomeLoss	1,653us-gaap_NetIncomeLoss	965us-gaap_NetIncomeLoss	1,233us-gaap_NetIncomeLoss	1,158us-gaap_NetIncomeLoss	1,088us-gaap_NetIncomeLoss	1,106us-gaap_NetIncomeLoss	5,446us-gaap_NetIncomeLoss	4,585us-gaap_NetIncomeLoss	3,900us-gaap_NetIncomeLoss
Operating Segments [Member] \| Commercial Airplanes [Member]
Segment Reporting Information [Line Items]
Revenues									59,990	52,981	49,127
Earnings from operations									6,411	5,795	4,711
Operating Segments [Member] \| Defense, Space & Security [Member]
Segment Reporting Information [Line Items]
Revenues									30,881	33,197	32,607
Earnings from operations									3,133	3,235	3,068
Operating Segments [Member] \| Defense, Space & Security [Member] \| Boeing Military Aircraft [Member]
Segment Reporting Information [Line Items]
Revenues									13,511	15,285	15,388
Earnings from operations									1,304	1,504	1,487
Operating Segments [Member] \| Defense, Space & Security [Member] \| Network & Space Systems [Member]
Segment Reporting Information [Line Items]
Revenues									8,003	8,512	7,911
Earnings from operations									698	719	562
Operating Segments [Member] \| Defense, Space & Security [Member] \| Global Services & Support [Member]
Segment Reporting Information [Line Items]
Revenues									9,367	9,400	9,308
Earnings from operations									1,131	1,012	1,019
Operating Segments [Member] \| Boeing Capital Corporation [Member]
Segment Reporting Information [Line Items]
Revenues									416	408	468
Earnings from operations									92	107	88
Unallocated items, eliminations and other [Member]
Segment Reporting Information [Line Items]
Revenues									(525)	37	(504)
Earnings from operations									$ (2,163)	$ (2,575)	$ (1,577)