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Derivative and Hedging Activities - Narrative (Details) € in Millions | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2017 USD ($) counterparty Derivatives | Mar. 31, 2016 USD ($) | Mar. 31, 2017 EUR (€) counterparty Derivatives | Dec. 31, 2016 USD ($) Derivatives $ / € | Dec. 31, 2015 USD ($) | Dec. 31, 2006 $ / €
Derivative [Line Items] |  |  |  |  |  |
Number of Interest Rate Derivatives Held | Derivatives | 0 |  | 0 | 0 |  |
Derivative Liability, Fair Value, Gross Liability | $ 150,000,000 |  |  | $ 577,000,000 |  |
Accumulated other comprehensive loss | (82,000,000) |  |  | (96,000,000) |  |
Expected amount to be transferred of during the next 12 months | (20,000,000) |  |  |  |  |
Cash Collateral for Borrowed Securities | 0 |  |  | 0 |  |
Cash Flow Hedging [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss | $ (82,000,000) | $ (99,000,000) |  | (96,000,000) | $ (99,000,000) |
6.25% Euro-Denominated Senior Notes Due 2017 [ Member] | Senior Notes [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.25% |  | 6.25% |  |  |
Fair Value, Inputs, Level 3 [Member] | Marketing, Gathering And Compression [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | $ 0 | 20,000,000 |  |  |  |
Interest Rate Contract [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Amortization Period of Deferred Gain (Loss) on Discontinuation of Fair Value Hedge | 4 years |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge | $ 3,000,000 |  |  | $ 3,000,000 |  |
Cross Currency Interest Rate Contract [Member] | 6.25% Euro-Denominated Senior Notes Due 2017 [ Member] | Senior Notes [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.25% |  | 6.25% | 6.25% |  |
Semi Annual Interest Rate Swap Payments By Counterparty | € |  |  | € 246 |  |  |
Semi Annual Interest Rate Swap Payments by Chesapeake | $ 327,000,000 |  |  |  |  |
Derivative, Forward Exchange Rate | $ / € |  |  |  | 1.0517 |  | 1.3325
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability |  |  |  | $ 73,000,000 |  |
Supply Contract [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | $ 0 | 33,000,000 |  |  |  |
Supply Contract [Member] | Fair Value, Inputs, Level 3 [Member] | Marketing, Gathering And Compression [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings |  | $ 20,000,000 |  |  |  |
Credit Risk [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of counterparties in hedge facility | counterparty | 10 |  | 10 |  |  |
Oil [Member] | Energy Related Derivative [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 22.97% |  |  |  |  |
Oil [Member] | Energy Related Derivative [Member] | Minimum [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 18.22% |  |  |  |  |
Oil [Member] | Energy Related Derivative [Member] | Maximum [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 24.10% |  |  |  |  |
Natural Gas [Member] | Energy Related Derivative [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 38.10% |  |  |  |  |
Natural Gas [Member] | Energy Related Derivative [Member] | Minimum [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 21.37% |  |  |  |  |
Natural Gas [Member] | Energy Related Derivative [Member] | Maximum [Member] |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Fair Value Assumptions, Weighted Average Volatility Rate | 52.18% |  |  |  |  |

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