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Leases (Tables)
 6 Months Ended
Jun. 30, 2023
Leases [Abstract]  
Summary of right of use asset and lease liability balances for operating and finance leases
The following tables summarize the right-of-use (“ROU”) asset and lease liability balances for the Company’s operating and finance leases at June 30, 2023 and December 31, 2022:
June 30, 2023December 31, 2022
(in millions)Operating LeasesFinance LeasesOperating LeasesFinance Leases
ROU assets, net
Pipeline and storage$14 $19 $16 $20 
Railcars10 — 11 — 
Real estate and other16 15 13 15 
Lease liability
Pipelines and storage14 30 16 32 
Railcars9 — 11 — 
Real estate and other15 17 13 16 
Schedule of lease expense, lease terms, and discount rates For the three and six months ended June 30, 2023 and 2022, we recognized lease expense comprised of the following components:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)2023202220232022
Operating lease expense$5 $4 $9 $8 
Finance lease expense:
Amortization of ROU asset2 1 3 3 
Interest expense on lease liability1 1 2 2 
Short-term lease expense2 2 5 5 
The following outlines the remaining lease terms and discount rates used in the measurement of the Company’s ROU assets and lease liabilities:
June 30, 2023December 31, 2022
Operating LeasesFinance LeasesOperating LeasesFinance Leases
Weighted-average remaining lease term3.9 years5.8 years4.1 years6.3 years
Weighted-average discount rate5.5 %9.0 %5.2 %9.0 %
Summary of remaining minimum lease payments for operating leases
The following summarizes the remaining minimum lease payments through maturity of the Company’s lease liabilities at June 30, 2023:
(in millions)Operating LeasesFinance Leases
Remainder of 2023$10 $6 
202414 11 
20258 11 
20266 11 
20273 10 
Thereafter3 13 
Total lease payments44 62 
Less: imputed interest(6)(15)
Total lease liability$38 $47 
Summary of remaining minimum lease payments for finance leases
The following summarizes the remaining minimum lease payments through maturity of the Company’s lease liabilities at June 30, 2023:
(in millions)Operating LeasesFinance Leases
Remainder of 2023$10 $6 
202414 11 
20258 11 
20266 11 
20273 10 
Thereafter3 13 
Total lease payments44 62 
Less: imputed interest(6)(15)
Total lease liability$38 $47