v3.26.1
Summary of Business Segment Data - Schedule of Segment Reporting Information, by Segment (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]        
Total revenues $ 24,560 $ 22,749 $ 46,777 $ 42,245
Earnings/(loss) from operations 156 (176) 604 285
Other income, net 79 325 273 648
Interest and debt expense (600) (710) (1,216) (1,418)
Loss before income taxes (365) (561) (339) (485)
Income tax expense (63) (51) (96) (158)
Net loss (428) (612) (435) (643)
Less: Net earnings/(loss) attributable to noncontrolling interest 16 (1) 13 5
Net loss attributable to Boeing shareholders (444) (611) (448) (648)
Less: Mandatory convertible preferred stock dividends accumulated during the period 86 86 172 172
Net loss attributable to Boeing common shareholders (530) (697) (620) (820)
Net loss attributable to Boeing common shareholders (530) (697) (620) (820)
Operating Segments        
Segment Reporting [Line Items]        
Earnings/(loss) from operations 631 602 1,272 1,163
Operating Segments | Commercial Airplanes        
Segment Reporting [Line Items]        
Total revenues 11,751 10,874 20,954 19,021
Earnings/(loss) from operations (322) (557) (885) (1,094)
Operating Segments | Defense, Space & Security        
Segment Reporting [Line Items]        
Total revenues 7,483 6,617 15,082 12,915
Earnings/(loss) from operations (15) 110 218 265
Operating Segments | Global Services        
Segment Reporting [Line Items]        
Total revenues 5,344 5,281 10,714 10,344
Earnings/(loss) from operations 968 1,049 1,939 1,992
Unallocated items, eliminations and other        
Segment Reporting [Line Items]        
Total revenues (18) (23) 27 (35)
Unallocated items, eliminations and other (630) (1,035) (978) (1,397)
FAS/CAS service cost adjustment $ 155 $ 257 $ 310 $ 519