v3.26.1
Segment and Revenue Information - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenues $ 24,560 $ 22,749 $ 46,777 $ 42,245
Research and development expense, net 921 910 1,824 1,754
Earnings/(loss) from operations 156 (176) 604 285
Operating Segments        
Segment Reporting [Line Items]        
Earnings/(loss) from operations 631 602 1,272 1,163
Operating Segments | Commercial Airplanes        
Segment Reporting [Line Items]        
Revenues 11,751 10,874 20,954 19,021
Research and development expense, net 597 558 1,200 1,092
Other segment items 11,476 10,873 20,639 19,023
Earnings/(loss) from operations (322) (557) (885) (1,094)
Operating Segments | Defense, Space & Security        
Segment Reporting [Line Items]        
Revenues 7,483 6,617 15,082 12,915
Research and development expense, net 192 221 366 420
Other segment items 7,306 6,286 14,498 12,230
Earnings/(loss) from operations (15) 110 218 265
Operating Segments | Global Services        
Segment Reporting [Line Items]        
Revenues 5,344 5,281 10,714 10,344
Research and development expense, net 26 30 48 59
Other segment items 4,350 4,202 8,727 8,293
Earnings/(loss) from operations $ 968 $ 1,049 $ 1,939 $ 1,992