Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule

MPLX executed transportation and terminalling agreements that obligate us to minimum volume, throughput or payment commitments over the terms of the agreements, which range from 9 to 11 years. After the minimum volume commitments are met in the transportation and terminalling agreements, MPLX pays additional amounts based on throughput. There are escalation clauses in the transportation and terminalling agreements, which are based on Consumer Price Index adjustments. The minimum future payments under these agreements as of December 31, 2018 are as follows:



(In millions)
2019	$	52
2020	52
2021	48
2022	46
2023	46
2024 and thereafter	180
Total	$	424

Schedule Of Future Minimum Lease Payments For Operating And Capital Leases Table

MPLX has various non-cancellable operating lease agreements, most of these leases include renewal options. MPLX also leases certain pipelines under a capital lease that has a fixed price purchase option in 2020. Future minimum commitments as of December 31, 2018, for capital lease obligations and for operating lease obligations having initial or remaining non-cancellable lease terms in excess of one year are as follows:



(In millions)	Capital Lease Obligations		Operating Lease Obligations
2019	$	2	$	73
2020	5		70
2021	—		67
2022	—		64
2023	—		58
2024 and thereafter	—		719
Total minimum lease payments	7		$	1,051
Less: imputed interest costs	1
Present value of net minimum lease payments	$	6

Schedule of Rent Expense

Operating lease rental expense was:



(In millions)	2018		2017		2016
Minimum rental expense	$	85	$	64	$	57

Schedule of Minimum Amounts Payable Annually Under the Product Supply Agreement

On September 1, 2009, MarkWest entered into a product supply agreement creating a long-term contractual obligation for the payment of processing fees in exchange for the entire product processed by the SMR. See Note 18 for additional discussion. The product received under this agreement is sold to a refinery customer pursuant to a corresponding long-term agreement. The minimum amounts payable annually under the product supply agreement, excluding the potential impact of inflation adjustments per the agreement, are as follows:



(In millions)
2019	$	17
2020	17
2021	17
2022	17
2023	17
2024 and thereafter	110
Total minimum payments	195
Less: Services element	75
Less: Interest	34
Total SMR liability	86
Less: Current portion of SMR liability	5
Long-term portion of SMR liability	$	81