The Partnership has related party transactions with several of its unconsolidated affiliates. In addition to commercial transactions, these transactions include the provision of certain management services and leases of certain assets.

The following table summarizes the revenues from related companies on our consolidated statements of operations:


	Three Months Ended March 31,
		2021		2020
Revenues from related companies		$	130	$	133

The following table summarizes the accounts receivable from related companies on our consolidated balance sheets:


	March 31, 2021		December 31, 2020
Accounts receivable from related companies:
FGT	$	14	$	12
Phillips 66	21		30

Various	55		37
Total accounts receivable from related companies	$	90	$	79

As of March 31, 2021 and December 31, 2020, accounts payable to related companies on our consolidated balance sheets totaled $23 million and $27 million, respectively.