XML 123 R105.htm IDEA: XBRL DOCUMENT v3.22.0.1
Financial Risk Management Activities - Additional Information (Details) - Commodity Options / Collars
bbl / d in Thousands, MMBbls in Millions
Dec. 31, 2021
bbl / d
MMBbls
$ / bbl
Dec. 31, 2020
MMBbls
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional amount of crude oil | MMBbls 54.8 27.4
West Texas Intermediate    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional amount of crude oil | bbl / d 90  
Average monthly floor price (US dollar per barrel) 60  
Average monthly ceiling price (US dollar per barrel) 100  
Brent    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional amount of crude oil | bbl / d 60  
Average monthly floor price (US dollar per barrel) 65  
Average monthly ceiling price (US dollar per barrel) 105