v3.26.1
Segment Information (Unaudited) Capital Expenditures and Depreciation and Amortization (Details 5) - 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]        
Capital Expenditures $ 302 $ 231 $ 469 $ 487
Depreciation and amortization 367 350 739 687
Aeronautics Systems [Member]        
Segment Reporting [Line Items]        
Capital Expenditures 35 69 69 148
Depreciation and amortization 86 92 177 181
Defense Systems [Member]        
Segment Reporting [Line Items]        
Capital Expenditures 28 11 44 23
Depreciation and amortization 44 42 88 85
Mission Systems [Member]        
Segment Reporting [Line Items]        
Capital Expenditures 42 47 87 86
Depreciation and amortization 70 68 139 135
Space Systems [Member]        
Segment Reporting [Line Items]        
Capital Expenditures 84 71 127 181
Depreciation and amortization 99 84 195 163
Corporate [Member]        
Segment Reporting [Line Items]        
Capital Expenditures 113 33 142 49
Depreciation and amortization $ 68 $ 64 $ 140 $ 123