Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2018

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The Company's Consolidated Statements of Operations included the following transactions with related parties for the periods indicated (in millions):

Years Ended December 31,	2018		2017		2016
Revenue—Non-Regulated	$	1,533	$	1,297	$	1,100
Cost of Sales—Non-Regulated	342		220		210
Interest income	14		8		4
Interest expense	54		36		39

Schedule of Related Party Receivables Payables

The following table summarizes the balances receivable from and payable to related parties included in the Company's Consolidated Balance Sheets as of the periods indicated (in millions):

December 31,	2018		2017
Receivables from related parties	$	371	$	250
Accounts and notes payable to related parties	754		727