v3.26.3
Segment and Revenue Information - Reconciliation of Revenue from Segments to Consolidated (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]        
Revenues $ 24,188 $ 23,270 $ 70,965 $ 65,515
Research and development expense, net 830 897 2,654 2,651
Earnings/(loss) from operations 354 (4,781) 958 (4,496)
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]        
Revenues 10,720 11,094 31,674 30,115
Research and development expense, net 500 565 1,700 1,657
Other segment items 10,917 15,882 31,556 34,905
Earnings/(loss) from operations (697) (5,353) (1,582) (6,447)
Operating Segments | Defense, Space & Security        
Segment Reporting [Line Items]        
Revenues 7,935 6,902 23,017 19,817
Research and development expense, net 197 198 563 618
Other segment items 7,246 6,590 21,744 18,820
Earnings/(loss) from operations 492 114 710 379
Operating Segments | Global Services        
Segment Reporting [Line Items]        
Revenues 5,574 5,370 16,288 15,714
Research and development expense, net 28 32 76 91
Other segment items 4,527 4,400 13,254 12,693
Earnings/(loss) from operations $ 1,019 $ 938 $ 2,958 $ 2,930