v3.26.3
Summary of Business Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Total revenues $ 24,188 $ 23,270 $ 70,965 $ 65,515
Earnings/(loss) from operations 354 (4,781) 958 (4,496)
Other income, net 96 276 369 924
Interest and debt expense (573) (694) (1,789) (2,112)
Loss before income taxes (123) (5,199) (462) (5,684)
Income tax (expense)/benefit 7 (140) (89) (298)
Net loss (116) (5,339) (551) (5,982)
Less: Net earnings/(loss) attributable to noncontrolling interest (2) 13 3
Net loss attributable to Boeing shareholders (116) (5,337) (564) (5,985)
Less: Mandatory convertible preferred stock dividends accumulated during the period 87 87 259 259
Net loss attributable to Boeing common shareholders (203) (5,424) (823) (6,244)
Net loss attributable to Boeing common shareholders (203) (5,424) (823) (6,244)
Operating Segments        
Segment Reporting [Line Items]        
Earnings/(loss) from operations 814 (4,301) 2,086 (3,138)
Operating Segments | Commercial Airplanes        
Segment Reporting [Line Items]        
Total revenues 10,720 11,094 31,674 30,115
Earnings/(loss) from operations (697) (5,353) (1,582) (6,447)
Operating Segments | Defense, Space & Security        
Segment Reporting [Line Items]        
Total revenues 7,935 6,902 23,017 19,817
Earnings/(loss) from operations 492 114 710 379
Operating Segments | Global Services        
Segment Reporting [Line Items]        
Total revenues 5,574 5,370 16,288 15,714
Earnings/(loss) from operations 1,019 938 2,958 2,930
Unallocated items, eliminations and other        
Segment Reporting [Line Items]        
Total revenues (41) (96) (14) (131)
Unallocated items, eliminations and other (610) (748) (1,588) (2,145)
FAS/CAS service cost adjustment $ 150 $ 268 $ 460 $ 787