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Derivatives (Outstanding Derivatives Entered Into to Hedge Inventory or Fixed Price Purchase Commitments) (Details) - Not qualifying or not designated as hedges under accounting rules bbl in Thousands | 12 Months Ended
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Dec. 31, 2022 MMBTU $ / MMBTU $ / bbl $ / units bbl
Sell (Short) Contracts | Futures | Crude Oil |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 93
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl | 78.31
Sell (Short) Contracts | Futures | Natural Gas |
Derivative [Line Items] |
Weighted average contract price per bbl (in dollars per barrel) | $ / MMBTU | 5.27
Contract volumes (1,000 MMBTU) | MMBTU | 148,000
Sell (Short) Contracts | Futures | Petroleum Products |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 25
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl | 56.15
Sell (Short) Contracts | Swap | Natural Gas |
Derivative [Line Items] |
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl | 0
Contract volumes (1,000 MMBTU) | MMBTU | 0
Sell (Short) Contracts | Options | Natural Gas |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 191
Weighted average contract price per bbl (in dollars per barrel) | $ / MMBTU | 0.70
Buy (Long) Contracts | Futures | Crude Oil |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 90
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl | 76.43
Buy (Long) Contracts | Futures | Natural Gas |
Derivative [Line Items] |
Weighted average contract price per bbl (in dollars per barrel) | $ / MMBTU | 5.36
Contract volumes (1,000 MMBTU) | MMBTU | 806,000
Buy (Long) Contracts | Futures | Petroleum Products |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 0
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl | 0
Buy (Long) Contracts | Swap | Natural Gas |
Derivative [Line Items] |
Weighted average contract price per bbl (in dollars per barrel) | $ / units | 0.64
Contract volumes (1,000 MMBTU) | MMBTU | 976,500
Buy (Long) Contracts | Options | Natural Gas |
Derivative [Line Items] |
Contract volumes (1,000 bbls) | 34
Weighted average contract price per bbl (in dollars per barrel) | $ / MMBTU | 0.03

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