Number of shares of original convertible preferred stock classified as temporary equity extinguished.

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- Definition

The number of pre-funded warrants issued upon exchange for the extinguishment of convertible preferred stock classified as temporary equity.

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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-Name Accounting Standards Codification
-Section 50
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-Subparagraph (b)(4)
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- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Per share conversion price of preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
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-Section 50
-Paragraph 13
-Subparagraph (c)
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- Definition

Number of common shares issuable upon conversion for each share of preferred stock to be converted.

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- Definition

Number of common shares issuable upon conversion of preferred stock.

+ References

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- Definition

Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The aggregate liquidation preference (or restrictions) of stock classified as temporary equity that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

+ References

No definition available.

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- Definition

The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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- Definition

The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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Mezzanine Equity and Stockholders' Equity (Deficit) - Convertible Preferred Stock (Details)	Jul. 31, 2024 shares	Jun. 25, 2024 shares	Mar. 31, 2025 $ / shares	Dec. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of Shares Authorized				4,939,946	4,939,946
Shares Issued					4,939,946	4,939,946
Conversion of preferred stock				4,939,946
Carrying Value \| $				$ 91,469,000	$ 91,469,000	$ 91,469,000
Number of Common Stock Equivalent Shares				4,939,946
Liquidation Preference \| $				$ 91,637,000
Convertible preferred stock	4,732,044
Convertible preferred stock issued	4,732,044
Preferred stock conversion ratio	1
Legacy Adagio
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of the Company's Common Stock issued	6,771,769
Legacy Adagio \| Adagio Medical Inc
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of the Company's Common Stock issued	789,337
Series A Preferred Stock Class
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of Shares Authorized				270,856
Conversion of preferred stock				270,856
Carrying Value \| $				$ 2,500,000
Conversion Price Per Share \| $ / shares			$ 9.23	$ 9.23
Number of Common Stock Equivalent Shares				270,856
Liquidation Preference \| $				$ 2,500,000
Series B Preferred Stock Class
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of Shares Authorized				815,730
Conversion of preferred stock				815,730
Carrying Value \| $				$ 10,626,000
Conversion Price Per Share \| $ / shares			13.04	$ 13.04
Number of Common Stock Equivalent Shares				815,730
Liquidation Preference \| $				$ 10,637,000
Series C Preferred Stock Class
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of Shares Authorized				981,596
Conversion of preferred stock				981,596
Carrying Value \| $				$ 15,988,000
Conversion Price Per Share \| $ / shares			16.3	$ 16.3
Number of Common Stock Equivalent Shares				981,596
Liquidation Preference \| $				$ 16,000,000
Series D Preferred Stock Class
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of Shares Authorized				992,064
Conversion of preferred stock				992,064
Carrying Value \| $				$ 19,990,000
Conversion Price Per Share \| $ / shares			20.16	$ 20.16
Number of Common Stock Equivalent Shares				992,064
Liquidation Preference \| $				$ 20,000,000
Series E Preferred Stock Class
Mezzanine Equity and Stockholders' Equity (Deficit)
Number of preferred stocks extinguished		207,902
Number of Shares Authorized				1,879,700
Conversion of preferred stock				1,879,700
Carrying Value \| $				$ 42,365,000
Conversion Price Per Share \| $ / shares			$ 22.61	$ 22.61
Number of Common Stock Equivalent Shares				1,879,700
Liquidation Preference \| $				$ 42,500,000
Series E Preferred Stock Class \| Pre-funded Warrants
Mezzanine Equity and Stockholders' Equity (Deficit)
Exchange preferred stock for pre-funded warrants (shares)		207,902