Segment and Revenue Information Segment and Revenue Information (Schedule of Revenue Disaggregation) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 13,991	$ 15,217
Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	4,161	4,269
Commercial Airplanes | Operating Segments | External Customers
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,148	$ 4,264
Commercial Airplanes | Operating Segments | Fixed-price Contract
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	100.00%	100.00%
Commercial Airplanes | Operating Segments | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	100.00%	100.00%
Commercial Airplanes | Operating Segments | Non-US [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 3,080	$ 1,941
Commercial Airplanes | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,025	873
Commercial Airplanes | Operating Segments | Latin America and Carribean
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	828	531
Commercial Airplanes | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	728	363
Commercial Airplanes | Operating Segments | Middle East
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	318	129
Commercial Airplanes | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	181	45
Commercial Airplanes | Operating Segments | United States
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,102	2,353
Commercial Airplanes | Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	13	5
Defense, Space & Security | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	$ 5,483	$ 7,185
Defense, Space & Security | Operating Segments | U S Government Contracts
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	89.00%	90.00%
Defense, Space & Security | Operating Segments | Fixed-price Contract
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	63.00%	70.00%
Defense, Space & Security | Operating Segments | Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	99.00%	99.00%
Defense, Space & Security | Operating Segments | Non-US [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 1,335	$ 1,665
Defense, Space & Security | Operating Segments | United States
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	4,148	5,520
Global Services | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	4,314	3,749
Global Services | Operating Segments | Commercial Customers
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,276	1,625
Global Services | Operating Segments | Government Customers
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,968	2,070
Global Services | Operating Segments | External Customers
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,244	$ 3,695
Global Services | Operating Segments | U S Government Contracts
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	35.00%	43.00%
Global Services | Operating Segments | Fixed-price Contract
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	88.00%	87.00%
Global Services | Operating Segments | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, excluding assessed tax, Percentage	49.00%	43.00%
Global Services | Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	$ 70	$ 54
B-737-Max | Customer Concessions | Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ (34)	$ (30)