Change in Carrying Amount of Goodwill (Table) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill beginning balance	$ 2,618	$ 2,618
Goodwill ending balance	2,618	2,618
Ingalls [Member] \| Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill beginning balance	175	175
Goodwill ending balance	175	175
Newport News Shipbuilding [Member] \| Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill beginning balance	721	721
Goodwill ending balance	721	721
Mission Technologies [Member] \| Operating Segments [Member]
Goodwill [Roll Forward]
Goodwill beginning balance	1,722	1,722
Goodwill ending balance	$ 1,722	$ 1,722

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details