Segment Information Capital Expenditures and Depreciation and Amortization (Details 7) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	$ 1,767	$ 1,775	$ 1,435
Depreciation and amortization	1,370	1,338	1,342
Aeronautics Systems
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	596	504	490
Depreciation and amortization	380	384	322
Defense Systems
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	139	164	166
Depreciation and amortization	180	184	174
Mission Systems
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	314	288	248
Depreciation and amortization	255	246	242
Space Systems
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	652	745	473
Depreciation and amortization	362	370	323
Corporate
Additional information by Segment (Table Amounts) [Abstract]
Capital Expenditures	66	74	58
Depreciation and amortization	$ 193	$ 154	$ 281