v3.26.1
Segment and Revenue Information - Schedule of Depreciation and Amortization Expense 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]        
Depreciation and amortization $ 596 $ 460 $ 1,169 $ 926
Operating Segments | Commercial Airplanes        
Segment Reporting [Line Items]        
Depreciation and amortization 177 111 367 212
Depreciation and amortization expense, business segment allocation 133 90 238 172
Operating Segments | Defense, Space & Security        
Segment Reporting [Line Items]        
Depreciation and amortization 56 53 116 103
Depreciation and amortization expense, business segment allocation 83 72 149 140
Operating Segments | Global Services        
Segment Reporting [Line Items]        
Depreciation and amortization 70 73 139 146
Depreciation and amortization expense, business segment allocation 22 20 39 39
Unallocated items, eliminations and other        
Segment Reporting [Line Items]        
Depreciation and amortization 293 223 547 465
Intersegment revenues eliminated on consolidation        
Segment Reporting [Line Items]        
Depreciation and amortization expense, business segment allocation $ 238 $ 182 $ 426 $ 351