Contract Liabilities (Notes)

3 Months Ended

Mar. 31, 2020

Contract Assets and Liabilities [Abstract]

Contract Assets and Liabilities [Text Block]

. Contract LiabilitiesOur contract liabilities consist of deferred revenue received from reimbursable projects. The noncurrent portion of deferred revenue is included in other long-term liabilities on our condensed consolidated balance sheets.

The following table summarizes changes in contract liabilities included in our condensed consolidated balance sheets:

	March 31,
	2020
	(millions)
Balance, beginning of period	$	33
Additions	2
Revenue recognized (a)	(1)
Balance, end of period	$	34

(a) Deferred revenue recognized is included in transportation, processing and other on the condensed consolidated statement of operations.

The contract liabilities disclosed in the table above will be recognized as revenue as the obligations are satisfied over their average remaining contract life, which is 35 years as of March 31, 2020.