Revenues (Tables)

6 Months Ended

Jun. 30, 2019

Revenue Recognition [Abstract]

Disaggregation of Revenue

Revenues (in millions)

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018 (a)		2019		2018 (a)
Revenues from contracts with customers	$	469	$	478	$	963	$	937
Lease revenues	132		91		268		178

(a) Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.

Contract with Customer, Asset and Liability

Summary of Customer Contract Assets and Liabilities (in millions)

	June 30, 2019		December 31, 2018
Other contract assets	$	22	$	32
Deferred income, current	25		24
Deferred income, noncurrent	68		57