Summary Of Business Segment Data (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 16,681	$ 16,998	$ 30,672	$ 32,215
(Loss)/earnings from operations	774	1,023	(395)	940
Other income, net	253	199	434	389
Interest and debt expense	(650)	(673)	(1,280)	(1,352)
(Loss)/earnings before income taxes	377	549	(1,241)	(23)
Income tax benefit/(expense)	(217)	18	159	29
Net (loss)/earnings	160	567	(1,082)	6
Less: net loss attributable to noncontrolling interest	(33)	(20)	(56)	(44)
Net loss attributable to Boeing Shareholders	193	587	(1,026)	50
Operating Segments
Segment Reporting Information [Line Items]
(Loss)/earnings from operations	584	1,053	(608)	1,064
Operating Segments | Commercial Airplanes
Segment Reporting Information [Line Items]
Revenues	6,219	6,015	10,380	10,284
(Loss)/earnings from operations	(242)	(472)	(1,101)	(1,328)
Operating Segments | Defense, Space & Security
Segment Reporting Information [Line Items]
Revenues	6,191	6,876	11,674	14,061
(Loss)/earnings from operations	71	958	(858)	1,363
Operating Segments | Global Services
Segment Reporting Information [Line Items]
Revenues	4,298	4,067	8,612	7,816
(Loss)/earnings from operations	728	531	1,360	972
Operating Segments | Boeing Capital
Segment Reporting Information [Line Items]
Revenues	52	78	98	138
(Loss)/earnings from operations	27	36	(9)	57
Corporate Reconciling Items And Eliminations
Segment Reporting Information [Line Items]
Revenues	(79)	(38)	(92)	(84)
Unallocated items, eliminations and other	(94)	(298)	(354)	(662)
FAS/CAS service cost adjustment	$ 284	$ 268	$ 567	$ 538