Segment and Revenue Information - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 16,866	$ 19,751	$ 33,435	$ 37,672
Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	6,003	8,840	10,656	15,544
Commercial Airplanes | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 5,980	$ 8,832	$ 10,583	$ 15,497
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%	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%	99.00%	99.00%	99.00%
Commercial Airplanes | Operating Segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 2,173	$ 3,740	$ 3,158	$ 7,175
Commercial Airplanes | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	3,807	5,066	7,868	8,296
Commercial Airplanes | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	777	2,038	1,547	3,393
Commercial Airplanes | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,280	1,549	4,393	2,355
Commercial Airplanes | Operating Segments | Middle East
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	406	750	1,174	1,466
Commercial Airplanes | Operating Segments | Other non-U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	344	729	754	1,082
Commercial Airplanes | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	23	8	73	47
Defense, Space & Security | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	$ 6,021	$ 6,167	$ 12,971	$ 12,706
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	89.00%	90.00%	90.00%	90.00%
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	52.00%	57.00%	55.00%	59.00%
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%	99.00%	99.00%
Defense, Space & Security | Operating Segments | United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,519	$ 5,028	$ 9,963	$ 10,338
Defense, Space & Security | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,502	1,139	3,008	2,368
Global Services | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	4,889	4,746	9,934	9,466
Global Services | Operating Segments | Commercial
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,900	2,703	5,900	5,419
Global Services | Operating Segments | Government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,895	1,948	3,829	3,874
Global Services | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,795	$ 4,651	$ 9,729	$ 9,293
Global Services | Operating Segments | Revenue from the U.S. government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	27.00%	31.00%	28.00%	31.00%
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%	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	53.00%	51.00%	53.00%	51.00%
Global Services | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	$ 94	$ 95	$ 205	$ 173
B-737-Max | Customer Concessions | Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax		$ 26	$ (443)	$ 26