Segment Information Sales by Geographic Location (Details 4) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 41,033	$ 39,290	$ 36,602
Sales percentage	100.00%	100.00%	100.00%
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 36,033	$ 34,385	$ 31,754
Sales percentage	88.00%	88.00%	87.00%
Asia/Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 1,552	$ 1,568	$ 1,802
Sales percentage	4.00%	4.00%	5.00%
All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 611	$ 882	$ 794
Sales percentage	1.00%	2.00%	2.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 2,837	$ 2,455	$ 2,252
Sales percentage	7.00%	6.00%	6.00%
Intersegment Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 2,687	$ 2,553	$ 2,524
Aeronautics Systems | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 10,109	$ 9,167	$ 8,948
Sales percentage	86.00%	87.00%	87.00%
Aeronautics Systems | Asia/Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 694	$ 607	$ 708
Sales percentage	6.00%	6.00%	7.00%
Aeronautics Systems | All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 37	$ 36	$ 51
Sales percentage	0.00%	0.00%	0.00%
Aeronautics Systems | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 947	$ 736	$ 585
Sales percentage	8.00%	7.00%	6.00%
Aeronautics Systems | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 12,030	$ 10,786	$ 10,531
Sales percentage	100.00%	100.00%	100.00%
Aeronautics Systems | Intersegment Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 243	$ 240	$ 239
Defense Systems | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 6,404	$ 6,022	$ 5,477
Sales percentage	83.00%	80.00%	80.00%
Defense Systems | Asia/Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 344	$ 419	$ 454
Sales percentage	4.00%	6.00%	7.00%
Defense Systems | All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 191	$ 471	$ 427
Sales percentage	3.00%	6.00%	6.00%
Defense Systems | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 766	$ 601	$ 477
Sales percentage	10.00%	8.00%	7.00%
Defense Systems | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 8,560	$ 8,289	$ 7,629
Sales percentage	100.00%	100.00%	100.00%
Defense Systems | Intersegment Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 855	$ 776	$ 794
Mission Systems [Member] | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 8,413	$ 8,084	$ 7,572
Sales percentage	82.00%	82.00%	81.00%
Mission Systems [Member] | Asia/Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 472	$ 460	$ 531
Sales percentage	5.00%	5.00%	6.00%
Mission Systems [Member] | All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 347	$ 338	$ 301
Sales percentage	3.00%	3.00%	3.00%
Mission Systems [Member] | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 990	$ 959	$ 977
Sales percentage	10.00%	10.00%	10.00%
Mission Systems [Member] | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 11,399	$ 10,895	$ 10,396
Sales percentage	100.00%	100.00%	100.00%
Mission Systems [Member] | Intersegment Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 1,177	$ 1,054	$ 1,015
Space Systems | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 11,107	$ 11,112	$ 9,757
Sales percentage	98.00%	98.00%	97.00%
Space Systems | Asia/Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 42	$ 82	$ 109
Sales percentage	1.00%	1.00%	1.00%
Space Systems | All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 36	$ 37	$ 15
Sales percentage	0.00%	0.00%	0.00%
Space Systems | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 134	$ 159	$ 213
Sales percentage	1.00%	1.00%	2.00%
Space Systems | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 11,731	$ 11,873	$ 10,570
Sales percentage	100.00%	100.00%	100.00%
Space Systems | Intersegment Sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 412	$ 483	$ 476