Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Schedule of Financial Data for Segments

The tables below show financial data for our segments (including a reconciliation of Commodity Margin to income (loss) from operations by segment) for the periods indicated (in millions):



	Three Months Ended March 31, 2020
	Wholesale																Consolidation
	West				Texas				East				Retail				Elimination				Total
Total operating revenues⁽¹⁾	$	705			$	650			$	542			$	908			$	(513	)		$	2,292

Commodity Margin	$	234			$	113			$	150			$	91			$	—			$	588
Add: Mark-to-market commodity activity, net and other⁽²⁾	54				101				82				(16		)		(8		)		213
Less:
Operating and maintenance expense	86				66				63				33				(8		)		240
Depreciation and amortization expense	56				50				46				12				—				164
General and other administrative expense	8				11				8				4				—				31
Other operating expenses	8				2				7				—				—				17
Income from operations	130				85				108				26				—				349
Interest expense																					169
Other (income) expense, net																					4
Income before income taxes																					$	176



	Three Months Ended March 31, 2019
	Wholesale																Consolidation
	West				Texas				East				Retail				Elimination				Total
Total operating revenues⁽¹⁾	$	682			$	743			$	689			$	998			$	(513	)		$	2,599

Commodity Margin	$	264			$	162			$	265			$	88			$	—			$	779
Add: Mark-to-market commodity activity, net and other⁽²⁾	56				44				13				(53		)		(8		)		52
Less:
Operating and maintenance expense	81				65				67				34				(8		)		239
Depreciation and amortization expense	73				45				43				13				—				174
General and other administrative expense	7				12				9				4				—				32
Other operating expenses	9				2				23				—				—				34
(Income) from unconsolidated subsidiaries	—				—				(6		)		—				—				(6		)
Income (loss) from operations	150				82				142				(16		)		—				358
Interest expense																					149
Gain on extinguishment of debt and other (income) expense, net																					19
Income before income taxes																					$	190

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(1)	Includes intersegment revenues of $119 million and $162 million in the West, $218 million and $211 million in Texas, $175 million and $137 million in the East and $1 million and $3 million in Retail for the three months ended March 31, 2020 and 2019, respectively.


(2)	Includes $(18) million and $(16) million of lease levelization and $16 million and $21 million of amortization expense for the three months ended March 31, 2020 and 2019, respectively.