Segment and Revenue Information (Schedule Of Revenue from External Customers Attributed to Foreign Countries by Geographic Area) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 62,286	$ 58,158	$ 76,559
Percentage Of Operating Assets Located Outside United States	4.00%	4.00%
Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 19,493	$ 16,162	$ 32,255
Operating Segments [Member] | Commercial Airplanes | Fixed-price Contract [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	100.00%	100.00%	100.00%
Operating Segments [Member] | Commercial Airplanes | Transferred at Point in Time [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	100.00%	100.00%	100.00%
Operating Segments [Member] | Commercial Airplanes | External Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 19,391	$ 16,112	$ 31,903
Operating Segments [Member] | Commercial Airplanes | B-737-Max [Member] | Customer Concessions [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	14	(498)	(8,259)
Non-U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	23,196	21,677	42,137
Non-U.S. | Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	9,905	8,711	27,486
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	8,967	7,961	10,366
Europe | Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,334	3,872	5,829
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,845	5,931	16,346
Asia [Member] | Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,792	2,679	12,446
Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,653	5,308	9,272
Middle East | Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,098	1,647	5,761
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	969	1,302	2,019
Oceania
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,147	832	2,006
Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	239	114	1,113
Latin America, Caribbean And Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,376	229	1,015
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	39,076	36,979	42,681
United States | Operating Segments [Member] | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 9,472	$ 7,899	$ 12,676