Description Of Organization And Business Operations And Going Concern - Additional Information (Detail) - USD ($)				6 Months Ended
	May 12, 2023	Aug. 03, 2021	Jul. 20, 2021	Jun. 30, 2023	Dec. 31, 2022
Shares issued, price per share			$ 10
Interest to pay dissolution expenses			$ 100,000
Percentage of redemption of public share			100.00%
Number of months determining completion of business combination			24 months
Percentage of redemption of public share determined by completion period			100.00%
Percentage of assets held in trust account			80.00%
Percentage of public shares redeemable			15.00%
Minimum net worth required for compliance			$ 5,000,001
Combination period			36 months
Cash				$ 2,129	$ 27,316
Net working capital				$ 4,242,500
BSAQ Class A Ordinary Shares [Member]
Conversion of Stock, Description	i) each Class B ordinary share of the Company, par value $0.0001 per share (“BSAQ Class B Ordinary Shares”) that is issued and outstanding immediately prior to the Merger Effective Time will be automatically converted into one VinFast Ordinary Share; (ii) each BSAQ Class A Ordinary Share that is issued and outstanding immediately prior to the Merger Effective Time (other than such BSAQ Class A Ordinary Shares that are treasury shares, validly redeemed shares, or BSAQ Dissenting Shares (as defined below)) will be converted into one VinFast Ordinary Share
BSAQ Class B Ordinary Shares [Member]
Common Stock, Par or Stated Value Per Share	$ 0.0001
Initial Business Combinations [Member]
Percentage of voting interest acquired			50.00%
Twenty Four Months [Member]
Number of months determining consummation of initial business combination			24 months
Maximum [Member]
US government securities, maturity terms			185 days
Public Shares [Member]
Share price			$ 10
VinFast Ordinary Shares [Member] | BSAQ Class A Ordinary Shares [Member]
Conversion of Stock, Shares Converted	1
VinFast Ordinary Shares [Member] | BSAQ Class B Ordinary Shares [Member]
Conversion of Stock, Shares Converted	1
VinFast Ordinary Shares [Member] | Business Combination Agreement [Member]
Shares issued, price per share	$ 10
PreRecapitalizationVinFastShares [Member] | Business Combination Agreement [Member]
Shares issued, price per share	$ 10
Common Stock, Value, Issued	$ 23,000,000,000
IPO [Member] | Public Shares [Member]
Stock issued during period, shares			15,000,000
Proceeds from initial public offering			$ 150,000,000
Shares issued, price per share			$ 10
IPO [Member] | Warrant [Member]
Class of warrants or rights issued during period				14,830,000
Private Placement [Member] | Warrant [Member] | Sponsor [Member] | Private Placement Warrants [Member]
Class of warrants or rights issued during period			6,000,000
Class of warrants or rights issued during period, price per warrant issued			$ 1
Proceeds from private placement			$ 6,000,000
Over-Allotment Option [Member] | Public Shares [Member]
Proceeds from initial public offering			$ 169,000,000
Over-Allotment Option [Member] | Warrant [Member] | Sponsor [Member] | Private Placement Warrants [Member]
Class of warrants or rights issued during period		380,000
Class of warrants or rights issued during period, price per warrant issued		$ 1
Over-Allotment Option [Member] | Option Units Units Sold At Option [Member] | Underwriters [Member]
Shares issued, price per share		$ 10
Stock issued during period for services, shares		1,900,000
Proceeds from issuance of equity		$ 19,000,000