Segment Information Assets (Details 6) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 43,755	$ 42,579
Operating Segments [Member] | Aeronautics Systems
Segment Reporting Information [Line Items]
Total assets	9,701	9,423
Operating Segments [Member] | Defense Systems
Segment Reporting Information [Line Items]
Total assets	6,163	5,911
Operating Segments [Member] | Mission Systems
Segment Reporting Information [Line Items]
Total assets	10,120	9,869
Operating Segments [Member] | Space Systems
Segment Reporting Information [Line Items]
Total assets	11,540	10,760
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total assets	$ 6,231	$ 6,616