Segment and Revenue Information - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 16,569	$ 17,921
Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	4,653	6,704
Commercial Airplanes | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,603	$ 6,665
Commercial Airplanes | Operating Segments | Revenue recognized on fixed-price contracts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	100.00%	100.00%
Commercial Airplanes | Operating Segments | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	99.00%	100.00%
Commercial Airplanes | Operating Segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 985	$ 3,435
Commercial Airplanes | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,061	3,230
Commercial Airplanes | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	770	1,355
Commercial Airplanes | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,113	806
Commercial Airplanes | Operating Segments | Middle East
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	768	716
Commercial Airplanes | Operating Segments | Other non-U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	410	353
Commercial Airplanes | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	50	39
Defense, Space & Security | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	$ 6,950	$ 6,539
Defense, Space & Security | Operating Segments | Revenue from the U.S. government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	91.00%	91.00%
Defense, Space & Security | Operating Segments | Revenue recognized on fixed-price contracts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	58.00%	61.00%
Defense, Space & Security | Operating Segments | Revenue recognized 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 | United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 5,444	$ 5,310
Defense, Space & Security | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,506	1,229
Global Services | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	5,045	4,720
Global Services | Operating Segments | Commercial
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	3,000	2,716
Global Services | Operating Segments | Government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,934	1,926
Global Services | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,934	$ 4,642
Global Services | Operating Segments | Revenue from the U.S. government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	29.00%	36.00%
Global Services | Operating Segments | Revenue recognized on fixed-price contracts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	87.00%	87.00%
Global Services | Operating Segments | Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	54.00%	51.00%
Global Services | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	$ 111	$ 78
B-737-Max | Customer Concessions | Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ (443)