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    <dei:AmendmentFlag contextRef="AsOf2026-10-19" id="Fact000003">true</dei:AmendmentFlag>
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    <dei:EntityRegistrantName contextRef="AsOf2026-10-19" id="Fact000011">STARRY SEA ACQUISITION CORP</dei:EntityRegistrantName>
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    <dei:PreCommencementTenderOffer contextRef="AsOf2026-10-19" id="Fact000023">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2026-10-19" id="Fact000024">false</dei:PreCommencementIssuerTenderOffer>
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      contextRef="From2026-10-192026-10-19_custom_UnitsConsistingOfOneOrdinaryShare0.0001ParValueAndOneRightToAcquireOnesixthOfOneOrdinaryShareMember"
      id="Fact000025">Units, consisting of one Ordinary Share, $0.0001 par value, and one Right to acquire one-sixth of one Ordinary Share</dei:Security12bTitle>
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      contextRef="From2026-10-192026-10-19_custom_UnitsConsistingOfOneOrdinaryShare0.0001ParValueAndOneRightToAcquireOnesixthOfOneOrdinaryShareMember"
      id="Fact000026">SSEAU</dei:TradingSymbol>
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      contextRef="From2026-10-192026-10-19_custom_UnitsConsistingOfOneOrdinaryShare0.0001ParValueAndOneRightToAcquireOnesixthOfOneOrdinaryShareMember"
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      contextRef="From2026-10-192026-10-19_custom_OrdinarySharesParValue0.0001PerShareMember"
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      contextRef="From2026-10-192026-10-19_custom_OrdinarySharesParValue0.0001PerShareMember"
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      contextRef="From2026-10-192026-10-19_custom_OrdinarySharesParValue0.0001PerShareMember"
      id="Fact000030">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-10-192026-10-19_custom_RightsEachWholeRightToAcquireOnesixthOfOneOrdinaryShareMember"
      id="Fact000031">Rights, each whole right to acquire one-sixth of one Ordinary Share</dei:Security12bTitle>
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      contextRef="From2026-10-192026-10-19_custom_RightsEachWholeRightToAcquireOnesixthOfOneOrdinaryShareMember"
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    <dei:SecurityExchangeName
      contextRef="From2026-10-192026-10-19_custom_RightsEachWholeRightToAcquireOnesixthOfOneOrdinaryShareMember"
      id="Fact000033">NASDAQ</dei:SecurityExchangeName>
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    <dei:AmendmentDescription contextRef="AsOf2026-10-19" id="Fact000036">This
Amendment No. 1 on Form 8-K/A (this &#x201c;Amendment&#x201d;) is an amendment to the Current Report on Form 8-K filed by
STARRY SEA ACQUISITION CORP (&#x201c;SSEA&#x201d; or the &#x201c;Company&#x201d;) with the U.S. Securities and Exchange Commission
on October 21, 2026 (the &#x201c;Original 8-K&#x201d;). The Original 8-K reported the number of ordinary shares of the Company
tendered for redemption. The sole purpose of this Amendment is to correct the number of ordinary shares tendered for redemption in the
Original 8-K. Except as otherwise provided herein, the disclosures made in the Original 8-K remain unchanged.</dei:AmendmentDescription>
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