v3.26.1
Business Combination (Schedule of Purchase Price Allocation) (Parenthetical) (Details) - NuVista Acquisition [Member]
$ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions
Feb. 03, 2026
USD ($)
shares
Feb. 02, 2026
$ / shares
shares
Oct. 01, 2025
USD ($)
shares
Oct. 01, 2025
CAD ($)
shares
Feb. 02, 2026
$ / shares
Business Combination [Line Items]          
Fair value of shares of Ovintiv common stock issued 30.1        
Shares of common stock closing price | (per share)   $ 42.47     $ 58.08
Payment to employees for liability awards held | $ $ 53        
Purchase of common stock, shares 18.5 30.1 18.5 18.5  
Purchase of common shares transaction value     $ 212 $ 296