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v3.19.3.a.u2

Derivative and Hedging Activities - Derivative Instruments (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) Bcf MMBbls | Dec. 31, 2018 USD ($) Bcf MMBbls
Derivative [Line Items] |  |
Total derivatives | $ 130 | $ 282
Energy related derivative |  |
Derivative [Line Items] |  |
Total derivatives | 130 | 282
Energy related derivative | Utica shale | Future natural gas prices |  |
Derivative [Line Items] |  |
Total derivatives | $ 0 | $ 7
Energy related derivative | Oil |  |
Derivative [Line Items] |  |
Notional, volume | MMBbls | 34 | 27
Total derivatives | $ 5 | $ 260
Energy related derivative | Oil | Fixed-price swaps |  |
Derivative [Line Items] |  |
Notional, volume | MMBbls | 24 | 12
Total derivatives | $ (7) | $ 157
Energy related derivative | Oil | Collars |  |
Derivative [Line Items] |  |
Notional, volume | MMBbls | 2 | 8
Total derivatives | $ 14 | $ 98
Energy related derivative | Oil | Basis protection swaps |  |
Derivative [Line Items] |  |
Notional, volume | MMBbls | 8 | 7
Total derivatives | $ (2) | $ 5
Energy related derivative | Natural gas |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 346 | 966
Total derivatives | $ 125 | $ 15
Energy related derivative | Natural gas | Fixed-price swaps |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 265 | 623
Total derivatives | $ 125 | $ 26
Energy related derivative | Natural gas | Collars |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 0 | 55
Total derivatives | $ 0 | $ (3)
Energy related derivative | Natural gas | Three-way collars |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 0 | 88
Total derivatives | $ 0 | $ 1
Energy related derivative | Natural gas | Call options |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 22 | 44
Total derivatives | $ 0 | $ 0
Energy related derivative | Natural gas | Call swaptions |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 29 | 106
Total derivatives | $ (2) | $ (9)
Energy related derivative | Natural gas | Basis protection swaps |  |
Derivative [Line Items] |  |
Notional, volume | Bcf | 30 | 50
Total derivatives | $ 2 | $ 0

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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