| Cover | Aug. 09, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 09, 2022 |
| Entity File Number | 001-40242 |
| Entity Registrant Name | LONGVIEW ACQUISITION CORP. II |
| Entity Central Index Key | 0001832300 |
| Entity Tax Identification Number | 85-3650296 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 767 Fifth Avenue |
| Entity Address, Address Line Two | 44th Floor |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10153 |
| City Area Code | 212 |
| Local Phone Number | 812-4700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A Common Stock, $0.0001 par value, and one-fifth of one redeemable Warrant |
| Trading Symbol | LGV.U |
| Security Exchange Name | NYSE |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | LGV |
| Security Exchange Name | NYSE |
| Redeemable Warrants [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable Warrants, each whole Warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | LGV WS |
| Security Exchange Name | NYSE |
