S-K 1603(a)(9) Restrictions on Selling Securities	Aug. 11, 2025
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Terms That Would Result in Earlier Expiration of Restrictions [Text Block]	In addition, in order to facilitate our initial business combination or for any other reason determined by our sponsor in its sole discretion, our sponsor may surrender or forfeit, transfer or exchange our founder shares, private placement warrants or any of our other securities, including for no consideration, as well as subject any such securities to earn-outs or other restrictions, or otherwise amend the terms of any such securities or enter into any other arrangements with respect to any such securities
Founder Shares [Member]
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]	The earlier of (A) one year after the completion of our initial business combination or earlier if, subsequent to our initial business combination, the closing price of the Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after our initial business combination and (B) the date following the completion of our initial business combination on which we complete a liquidation, merger, share exchange or other similar transaction that results in all of our shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property.
SPAC Sponsor, Persons and Entities Subject to Restrictions	Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Transfers permitted (a) to our officers, directors, advisors or consultants, any affiliate or family member of any of our officers, directors, advisors or consultants, any members or partners of the sponsor or their respective affiliates and funds and accounts advised by such members or partners, any affiliates of the sponsor, or any employees of such affiliates, (b) in the case of an individual, as a gift to such person’s immediate family or to a trust, the beneficiary of which is a member of such person’s immediate family, an affiliate of such person or to a charitable organization; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of such person; (d) in the case of an individual, pursuant to a qualified domestic relations order; (e) by private sales or transfers made in connection with any forward purchase agreement or similar arrangement, in connection with an extension of the completion window or in connection with the consummation of a business combination at prices no greater than the price at which the shares or warrants were originally purchased;
Private Placement Warrants [Member]
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]	30 days after the completion of our initial business combination
SPAC Sponsor, Persons and Entities Subject to Restrictions	Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein ] Cantor Fitzgerald & Co.
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Same as above (other than clauses (f) and (g) with respect to the inclusion of Cantor Fitzgerald & Co.)
Any units, warrants, ordinary shares [Member]
SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]
SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]	180 days
SPAC Sponsor, Persons and Entities Subject to Restrictions	Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein
SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]	Any units, warrants, ordinary shares or any other securities convertible into, or exercisable or exchangeable for, any units, ordinary shares, founder shares or warrants 180 days Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein The representative in its sole discretion may release any of the securities subject to these lock-up agreements at any time without notice, other than in the case of the officers and directors, which shall be with notice. Our sponsor, officers and directors are also subject to separate transfer restrictions on their founder shares and private placement warrants pursuant to the letter agreement described in the immediately preceding paragraphs.

S-K 1603(a)(9) Restrictions on Selling Securities

Aug. 11, 2025

SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]

SPAC Sponsor, Terms That Would Result in Earlier Expiration of Restrictions [Text Block]

In addition, in order to facilitate our initial business combination or for any other reason determined by our sponsor in its sole discretion, our sponsor may surrender or forfeit, transfer or exchange our founder shares, private placement warrants or any of our other securities, including for no consideration, as well as subject any such securities to earn-outs or other restrictions, or otherwise amend the terms of any such securities or enter into any other arrangements with respect to any such securities

Founder Shares [Member]

SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]

SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]

The earlier of (A) one year after the completion of our initial business combination or earlier if, subsequent to our initial business combination, the closing price of the Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after our initial business combination and (B) the date following the completion of our initial business combination on which we complete a liquidation, merger, share exchange or other similar transaction that results in all of our shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property.

SPAC Sponsor, Persons and Entities Subject to Restrictions

Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Transfers permitted (a) to our officers, directors, advisors or consultants, any affiliate or family member of any of our officers, directors, advisors or consultants, any members or partners of the sponsor or their respective affiliates and funds and accounts advised by such members or partners, any affiliates of the sponsor, or any employees of such affiliates, (b) in the case of an individual, as a gift to such person’s immediate family or to a trust, the beneficiary of which is a member of such person’s immediate family, an affiliate of such person or to a charitable organization; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of such person; (d) in the case of an individual, pursuant to a qualified domestic relations order; (e) by private sales or transfers made in connection with any forward purchase agreement or similar arrangement, in connection with an extension of the completion window or in connection with the consummation of a business combination at prices no greater than the price at which the shares or warrants were originally purchased;

Private Placement Warrants [Member]

SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]

SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]

30 days after the completion of our initial business combination

SPAC Sponsor, Persons and Entities Subject to Restrictions

Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein ] Cantor Fitzgerald & Co.

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Same as above (other than clauses (f) and (g) with respect to the inclusion of Cantor Fitzgerald & Co.)

Any units, warrants, ordinary shares [Member]

SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items]

SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block]

180 days

SPAC Sponsor, Persons and Entities Subject to Restrictions

Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein

SPAC Sponsor, Description of Exceptions to Restrictions [Text Block]

Any units, warrants, ordinary shares or any other securities convertible into, or exercisable or exchangeable for, any units, ordinary shares, founder shares or warrants

180 days

Trailblazer Sponsor LLC Eric Semler Eamon P. Smith Thomas S. Smith, Jr. Thomas J. Lee Steven Silverstein

The representative in its sole discretion may release any of the securities subject to these lock-up agreements at any time without notice, other than in the case of the officers and directors, which shall be with notice. Our sponsor, officers and directors are also subject to separate transfer restrictions on their founder shares and private placement warrants pursuant to the letter agreement described in the immediately preceding paragraphs.