CONDENSED STATEMENTS OF CONSOLIDATED INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Utility revenues	$ 1,143	$ 907
Non-utility revenues	1,257	1,186
Total	2,400	2,093
Expenses:
Utility natural gas	637	450
Non-utility natural gas	1,273	1,129
Operation and maintenance	238	215
Depreciation and amortization	73	66
Taxes other than income taxes	48	34
Total	2,269	1,894
Operating Income	131	199	[1]
Other Income (Expense):
Interest and other finance charges	(29)	(29)
Equity in earnings of unconsolidated affiliate, net	69	72
Other, net	(4)	(5)
Total	36	38
Income Before Income Taxes	167	237
Income tax expense	37	90
Net Income	$ 130	$ 147

[1] Amounts for 2017 have been restated to reflect the adoption of ASU 2017-07.