Derivatives and Risk Management (Schedule of Derivative Instruments Notional Amount, Weighted Average Contract Prices and Fair Value) (Details) - Not Designated as Hedging Instrument MBbls in Thousands, Bcf in Millions, $ in Millions | 6 Months Ended |
Jun. 30, 2023 USD ($) $ / bbl $ / MMBTU MBbls Bcf |
Financial protection on production- 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 521 |
Fair value | $ 67 |
Financial protection on production- 2023 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 2,342 |
Fair value | $ (12) |
Fixed Price Swaps - 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 348 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.25 |
Fair value | $ 91 |
Fixed Price Swaps - 2023 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 1,466 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 67.34 |
Fair value | $ (4) |
Fixed Price Swaps - 2023 | Ethane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 4,499 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 11.01 |
Fair value | $ 4 |
Fixed Price Swaps - 2023 | Propane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 3,601 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 32.19 |
Fair value | $ 28 |
Fixed Price Swaps - 2023 | Normal Butane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 396 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 40.96 |
Fair value | $ 5 |
Fixed Price Swaps - 2023 | Natural Gasoline | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 342 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 63.74 |
Fair value | $ 4 |
Two Way Costless Collars - 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 78 |
Fair value | $ 4 |
Two Way Costless Collars - 2023 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 294 |
Fair value | $ 1 |
Two Way Costless Collars - 2023 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.21 |
Two Way Costless Collars - 2023 Sold Calls | Oil | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / bbl | 80.58 |
Three Way Costless Collars - 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 95 |
Fair value | $ (28) |
Three Way Costless Collars - 2023 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 582 |
Fair value | $ (9) |
Three Way Costless Collars - 2023 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.91 |
Three Way Costless Collars - 2023 Sold Calls | Oil | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / bbl | 55.96 |
Financial protection on production - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 583 |
Fair value | $ (5) |
Financial protection on production - 2024 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 1,717 |
Fair value | $ 3 |
Fixed Price Swaps - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 528 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.54 |
Fair value | $ 12 |
Fixed Price Swaps - 2024 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 1,571 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 71.06 |
Fair value | $ 3 |
Fixed Price Swaps - 2024 | Ethane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 1,305 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 10.81 |
Fair value | $ 0 |
Fixed Price Swaps - 2024 | Propane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 1,460 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 33.29 |
Fair value | $ 11 |
Fixed Price Swaps - 2024 | Normal Butane | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 329 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 40.74 |
Fair value | $ 3 |
Fixed Price Swaps - 2024 | Natural Gasoline | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 329 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 64.37 |
Fair value | $ 3 |
Two Way Costless Collars - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 44 |
Fair value | $ (10) |
Two Way Costless Collars - 2024 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 146 |
Fair value | $ 0 |
Two Way Costless Collars - 2024 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.53 |
Two Way Costless Collars - 2024 Sold Calls | Oil | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / bbl | 78.25 |
Three Way Costless Collars - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 11 |
Fair value | $ (7) |
Three Way Costless Collars - 2024 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.54 |
Financial protection on production - 2025 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 179 |
Fair value | $ 25 |
Two Way Costless Collars - 2025 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 73 |
Fair value | $ 10 |
Two Way Costless Collars - 2025 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 5.40 |
Three Way Costless Collars - 2025 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 106 |
Fair value | $ 15 |
Three Way Costless Collars - 2025 Sold Calls | Natural Gas | |
Derivative [Line Items] | |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 5.69 |
Basis Swaps | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 201 |
Fair value | $ 79 |
Basis Swap - 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 146 |
Basis differential per MMBtu | $ / MMBTU | (0.62) |
Fair value | $ 68 |
Basis Swap - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 46 |
Basis differential per MMBtu | $ / MMBTU | (0.71) |
Fair value | $ 8 |
Basis Swap - 2025 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 9 |
Basis differential per MMBtu | $ / MMBTU | (0.64) |
Fair value | $ 3 |
Call options | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 253 |
Fair value | $ (61) |
Call Options - 2023 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 25 |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.96 |
Fair value | $ (11) |
Call Options - 2024 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 82 |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 6.56 |
Fair value | $ (15) |
Fixed Price Swaps - 2025 | Oil | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | MBbls | 41 |
Weighted average price (in dollars per MMBtu, Bbl) | $ / bbl | 77.66 |
Fair value | $ 0 |
Call Options 2025 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 73 |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 7 |
Fair value | $ (15) |
Call Options 2026 | Natural Gas | |
Derivative [Line Items] | |
Volume (Bcf, MBbls) | Bcf | 73 |
Cap price (in dollars per MMBtu, Bbl) | $ / MMBTU | 7 |
Fair value | $ (20) |
Sold Puts | Three Way Costless Collars - 2023 Sold Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.08 |
Sold Puts | Three Way Costless Collars - 2023 Sold Puts | Oil | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / bbl | 34.36 |
Sold Puts | Three Way Costless Collars - 2024 Sold Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.25 |
Sold Puts | Three Way Costless Collars - 2025 Sold Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.50 |
Purchased Puts | Two Way Costless Collars - 2023 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.83 |
Purchased Puts | Two Way Costless Collars - 2023 Purchased Puts | Oil | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / bbl | 70 |
Purchased Puts | Three Way Costless Collars - 2023 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.50 |
Purchased Puts | Three Way Costless Collars - 2023 Purchased Puts | Oil | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / bbl | 46.05 |
Purchased Puts | Two Way Costless Collars - 2024 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.07 |
Purchased Puts | Two Way Costless Collars - 2024 Purchased Puts | Oil | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / bbl | 70 |
Purchased Puts | Three Way Costless Collars - 2024 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 2.80 |
Purchased Puts | Two Way Costless Collars - 2025 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.50 |
Purchased Puts | Three Way Costless Collars - 2025 Purchased Puts | Natural Gas | |
Derivative [Line Items] | |
Floor price (in dollars per MMBtu, Bbl) | $ / MMBTU | 3.75 |