Operating Revenues (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Total operating revenues disaggregated by asset type were as follows:

	Millions of Dollars
	Three Months Ended June 30			Six Months Ended June 30
	2020		2019	2020	2019
Pipelines	$	97	117	208	226
Terminals	33		39	76	79
Storage, processing and other revenues	111		107	224	260
Total operating revenues	$	241	263	508	565

Total operating revenues disaggregated by lease and service revenues were as follows:

	Millions of Dollars
	Three Months Ended June 30			Six Months Ended June 30
	2020		2019	2020	2019
Lease revenues	$	195	214	413	471
Service revenues	46		49	95	94
Total operating revenues	$	241	263	508	565

Accounts Receivable

Total accounts receivable by revenue type was as follows:

	Millions of Dollars
	June 30 2020		December 31 2019
Lease receivables	$	76	87
Service receivables	21		18
Total accounts receivable	$	97	105

Deferred Revenues

Total deferred revenues under our lease and service agreements were as follows:

	Millions of Dollars
	June 30 2020		December 31 2019
Deferred lease revenues	$	44	41
Deferred service revenues	3		1
Total deferred revenues	$	47	42

Schedule of Future Minimum Payments Receivable

At June 30, 2020, future minimum payments to be received under our lease agreements with customers were estimated to be:

	Millions of Dollars
Remainder of 2020	$	354
2021	702
2022	690
2023	646
2024	525
Remaining years	1,389
Total future minimum lease payments from customers	$	4,306

Expected Timing of Satisfaction

At June 30, 2020, future service revenues expected to be recognized for the fixed component of the transaction price of our remaining performance obligations from service contracts with our customers that have an original expected duration of greater than one year were:

	Millions of Dollars
Remainder of 2020	$	80
2021	152
2022	152
2023	152
2024	132
Remaining years	756
Total future service revenues	$	1,424