Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 96	$ 81
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	103	108
Deferred income taxes	(1)	7
Pension and other postretirement benefits	6	6
Allowance for equity funds used during construction	(4)	(3)
Decoupling mechanism deferrals, net of amortization	3	(9)
(Amortization) of net benefits due to Tax Reform	0	(6)
Deferral of incremental storm costs	(41)	0
Other non-cash income and expenses, net	13	19
Changes in working capital:
Decrease in accounts receivable, net	(2)	19
(Increase) in inventories	4	(1)
(Increase)/decrease in margin deposits	(1)	(19)
(Decrease) in accounts payable and accrued liabilities	26	(22)
Other working capital items, net	(14)	(9)
Other, net	(20)	(16)
Net cash provided by operating activities	168	155
Cash flows from investing activities:
Capital expenditures	(153)	(162)
Sales of Nuclear decommissioning trust securities	3	3
Purchases of Nuclear decommissioning trust securities	(3)	(2)
Other, net	(9)	4
Net cash used in investing activities	(162)	(157)
Cash flows from financing activities:
Proceeds from Issuance of long-term debt	0	119
Payments on long-term debt	(140)	(98)
Borrowings on short-term debt	200	20
Repayments of Short-term Debt	(150)	(20)
Issuance of commercial paper, net	0	20
Dividends paid	(36)	(34)
Other	(2)	(5)
Net cash provided by (used in) financing activities	(128)	2
Increase (Decrease) in cash and cash equivalents	(122)	0
Cash and cash equivalents, beginning of period	257	30
Cash and cash equivalents, end of period	135	30
Supplemental cash flow information is as follows:
Cash paid for interest, net of amounts capitalized	$ 16	$ 12