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Contingencies and Commitments (Tables) | 6 Months Ended
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Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract] |
Schedule of contractual obligation | The aggregate undiscounted commitments under our gathering, processing and transportation agreements, excluding any reimbursement from working interest and royalty interest owners, credits for third-party volumes or future costs under cost-of-service agreements, are presented below:
|  | June 30, 2019
|  | ($ in millions)
Remainder of 2019 |  | $ | 415 |
2020 |  | 789 |
2021 |  | 691 |
2022 |  | 590 |
2023 |  | 477 |
2024 – 2035 |  | 2,451 |
Total |  | $ | 5,413 |

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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