XML 65 R41.htm IDEA: XBRL DOCUMENT v3.20.4
Contingencies and Commitments (Tables)
 12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of undiscounted commitments
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:
 December 31,
2020
 ($ in millions)
2021$865 
2022729 
2023596 
2024521 
2025471 
2026 – 20341,911 
Total$5,093 
The aggregate undiscounted minimum future payments under these service contracts are detailed below.
 December 31,
2020
 ($ in millions)
2021$7 
20222 
Total$9