Segment and Revenue Information - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 18,104	$ 15,956	$ 55,776	$ 46,628
Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	7,876	6,303	23,420	16,755
Commercial Airplanes | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 7,855	$ 6,265	$ 23,352	$ 16,684
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	$ 3,260	$ 3,317	$ 10,435	$ 6,680
Commercial Airplanes | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,567	2,915	12,863	9,988
Commercial Airplanes | Operating Segments | Europe
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,050	615	4,443	2,869
Commercial Airplanes | Operating Segments | Latin America and Caribbean
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	425	450	629	1,586
Commercial Airplanes | Operating Segments | Asia
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,623	1,291	3,978	3,318
Commercial Airplanes | Operating Segments | Middle East
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,257	209	2,723	1,297
Commercial Airplanes | Operating Segments | Other non-U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	212	350	1,090	918
Commercial Airplanes | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	21	38	68	71
Defense, Space & Security | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,481	$ 5,307	$ 18,187	$ 16,981
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	94.00%	91.00%	91.00%	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	54.00%	54.00%	57.00%	60.00%
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	$ 4,348	$ 3,711	$ 14,686	$ 12,493
Defense, Space & Security | Operating Segments | Total non-U.S. revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,133	1,596	3,501	4,488
Global Services | Operating Segments
Disaggregation of Revenue [Line Items]
Total revenues	4,812	4,432	14,278	13,044
Global Services | Operating Segments | Commercial
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,799	2,474	8,218	7,111
Global Services | Operating Segments | Government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	1,919	1,882	5,793	5,692
Global Services | Operating Segments | Total revenues from contracts with customers
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,718	$ 4,356	$ 14,011	$ 12,803
Global Services | Operating Segments | Revenue from the U.S. government
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	30.00%	32.00%	31.00%	33.00%
Global Services | Operating Segments | Revenue recognized on fixed-price contracts
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax, percentage	88.00%	88.00%	87.00%	88.00%
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	52.00%	51.00%	51.00%	50.00%
Global Services | Intersegment revenues eliminated on consolidation
Disaggregation of Revenue [Line Items]
Total revenues	$ 94	$ 76	$ 267	$ 241
B-737-Max | Customer Concessions | Commercial Airplanes | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 28	$ 33	$ 54	$ 16