Segment Information Segment Sales (Details 5) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 41,033	$ 39,290	$ 36,602
Operating Segments [Member] | Aeronautics Systems
Segment Reporting Information [Line Items]
Revenues	12,030	10,786	10,531
Operating Segments [Member] | Defense Systems
Segment Reporting Information [Line Items]
Revenues	8,560	8,289	7,629
Operating Segments [Member] | Mission Systems [Member]
Segment Reporting Information [Line Items]
Revenues	11,399	10,895	10,396
Operating Segments [Member] | Space Systems
Segment Reporting Information [Line Items]
Revenues	11,731	11,873	10,570
Intersegment Sales
Segment Reporting Information [Line Items]
Revenues	2,687	2,553	2,524
Intersegment Sales | Aeronautics Systems
Segment Reporting Information [Line Items]
Revenues	243	240	239
Intersegment Sales | Defense Systems
Segment Reporting Information [Line Items]
Revenues	855	776	794
Intersegment Sales | Mission Systems [Member]
Segment Reporting Information [Line Items]
Revenues	1,177	1,054	1,015
Intersegment Sales | Space Systems
Segment Reporting Information [Line Items]
Revenues	$ 412	$ 483	$ 476