Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 98	$ 110
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	202	185
Deferred income taxes	6	6
Pension and other postretirement benefits	12	13
Allowance for equity funds used during construction	(5)	(6)
Decoupling mechanism deferrals, net of amortization	(1)	2
(Amortization) Deferral of net benefits due to Tax Reform	(11)	25
Other non-cash income and expenses, net	21	4
Changes in working capital:
Decrease in accounts receivable and unbilled revenues	63	26
(Increase) in inventories	(17)	(7)
Decrease in margin deposits, net	11	4
(Decrease) in accounts payable and accrued liabilities	(65)	(20)
Other working capital items, net	16	13
Other, net	(16)	(17)
Net cash provided by operating activities	314	338
Cash flows from investing activities:
Capital expenditures	(271)	(266)
Sales of Nuclear decommissioning trust securities	7	6
Purchases of Nuclear decommissioning trust securities	(5)	(5)
Other, net	(2)	0
Net cash used in investing activities	(271)	(265)
Cash flows from financing activities:
Proceeds from Issuance of Long-term Debt	200	0
Payments of Long-term Debt	300	0
Issuance of Commercial Paper, net	17	0
Dividends paid	(65)	(61)
Other	(3)	(3)
Net cash used in financing activities	(151)	(64)
(Decrease) increase in cash and cash equivalents	(108)	9
Cash and cash equivalents, beginning of period	119	39
Cash and cash equivalents, end of period	11	48
Supplemental cash flow information is as follows:
Cash paid for interest, net of amounts capitalized	60	58
Cash paid for income taxes	$ 20	$ 10