Segment Information - Schedule of Company’s Performance and Making Key Decisions (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2025
Schedule of Company's Performance and Making Key Decisions [Abstract]
Cash		$ 701,592
Marketable securities held in Trust Account		309,996,143
General administrative costs	18,530	669,420
Interest earned on marketable securities held in Trust Account		$ 8,345,393

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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+ Details

New Providence Acquisition Corp. III/Cayman 10-K