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Derivatives - Fair Value (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Gross and net fair values of outstanding derivatives (in millions) |  |
Collateral received netted against derivative assets | $ 0 | $ 45,000,000
Collateral paid netted against derivative liabilities | 66,000,000 | 1,000,000
Collateral deposited with clearinghouses and brokers | 94,000,000 | 178,000,000
Not designated as hedging instruments | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Netting and collateral, liability |  | 0
Total net fair value, liability |  | 2,000,000
Not designated as hedging instruments | Other current assets | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Netting, asset | 1,099,000,000 | 2,392,000,000
Total net fair value, asset | 26,000,000 | 249,000,000
Not designated as hedging instruments | Long-term receivables and other assets, net | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Netting, asset | 19,000,000 | 6,000,000
Total net fair value, asset | 8,000,000 | 8,000,000
Not designated as hedging instruments | Accrued liabilities | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Netting and collateral, liability | (1,099,000,000) | (2,392,000,000)
Total net fair value, liability | 91,000,000 | 66,000,000
Not designated as hedging instruments | Deferred credits and other liabilities - other | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Netting and collateral, liability | (19,000,000) | (6,000,000)
Total net fair value, liability | 3,000,000 | 2,000,000
Not designated as hedging instruments | Level 1 | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross |  | 0
Not designated as hedging instruments | Level 1 | Other current assets | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 1,077,000,000 | 2,531,000,000
Not designated as hedging instruments | Level 1 | Long-term receivables and other assets, net | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 19,000,000 | 5,000,000
Not designated as hedging instruments | Level 1 | Accrued liabilities | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | 1,136,000,000 | 2,357,000,000
Not designated as hedging instruments | Level 1 | Deferred credits and other liabilities - other | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | 20,000,000 | 6,000,000
Not designated as hedging instruments | Level 2 | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross |  | 2,000,000
Not designated as hedging instruments | Level 2 | Other current assets | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 48,000,000 | 110,000,000
Not designated as hedging instruments | Level 2 | Long-term receivables and other assets, net | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 8,000,000 | 9,000,000
Not designated as hedging instruments | Level 2 | Accrued liabilities | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | 54,000,000 | 101,000,000
Not designated as hedging instruments | Level 2 | Deferred credits and other liabilities - other | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | 2,000,000 | 2,000,000
Not designated as hedging instruments | Level 3 | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross |  | 0
Not designated as hedging instruments | Level 3 | Other current assets | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 0 | 0
Not designated as hedging instruments | Level 3 | Long-term receivables and other assets, net | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative asset, gross | 0 | 0
Not designated as hedging instruments | Level 3 | Accrued liabilities | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | 0 | 0
Not designated as hedging instruments | Level 3 | Deferred credits and other liabilities - other | Commodity Contract |  |
Gross and net fair values of outstanding derivatives (in millions) |  |
Commodity contract derivative liability, gross | $ 0 | $ 0

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