v3.26.1
Segment and Revenue Information - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total revenues $ 24,560 $ 22,749 $ 46,777 $ 42,245
Commercial Airplanes | Operating Segments        
Disaggregation of Revenue [Line Items]        
Total revenues 11,751 10,874 20,954 19,021
Commercial Airplanes | Operating Segments | Customer Concessions | B-737-Max        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 80 5 80 5
Commercial Airplanes | Operating Segments | Total revenues from contracts with customers        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax $ 11,668 $ 10,854 $ 20,828 $ 18,974
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 100.00% 100.00% 100.00% 100.00%
Commercial Airplanes | Operating Segments | United States        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax $ 3,483 $ 5,361 $ 6,890 $ 9,144
Commercial Airplanes | Operating Segments | Total non-U.S. revenues        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 8,105 5,488 13,858 9,825
Commercial Airplanes | Operating Segments | Europe        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 2,568 990 5,107 1,498
Commercial Airplanes | Operating Segments | Asia        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 2,459 2,422 4,464 5,379
Commercial Airplanes | Operating Segments | Middle East        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 2,140 1,277 2,906 1,760
Commercial Airplanes | Operating Segments | Other non-U.S.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 938 799 1,381 1,188
Commercial Airplanes | Intersegment revenues eliminated on consolidation        
Disaggregation of Revenue [Line Items]        
Total revenues 83 20 126 47
Defense, Space & Security | Operating Segments        
Disaggregation of Revenue [Line Items]        
Total revenues $ 7,483 $ 6,617 $ 15,082 $ 12,915
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 92.00% 92.00% 93.00% 92.00%
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% 58.00% 60.00% 58.00%
Defense, Space & Security | Operating Segments | Revenue recognized over time        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax, percentage 100.00% 100.00% 100.00% 100.00%
Defense, Space & Security | Operating Segments | United States        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax $ 5,983 $ 5,227 $ 12,095 $ 10,160
Defense, Space & Security | Operating Segments | Total non-U.S. revenues        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 1,500 1,390 2,987 2,755
Global Services | Operating Segments        
Disaggregation of Revenue [Line Items]        
Total revenues 5,344 5,281 10,714 10,344
Global Services | Operating Segments | Commercial        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 3,001 2,996 6,033 5,967
Global Services | Operating Segments | Government        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 2,243 2,172 4,471 4,168
Global Services | Operating Segments | Total revenues from contracts with customers        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax $ 5,244 $ 5,168 $ 10,504 $ 10,135
Global Services | Operating Segments | Revenue from the U.S. government        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax, percentage 31.00% 31.00% 31.00% 30.00%
Global Services | Operating Segments | Revenue recognized on fixed-price contracts        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax, percentage 86.00% 86.00% 86.00% 86.00%
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 55.00% 52.00% 55.00% 53.00%
Global Services | Intersegment revenues eliminated on consolidation        
Disaggregation of Revenue [Line Items]        
Total revenues $ 100 $ 113 $ 210 $ 209