CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net income	$ 308	$ 301
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	410	357
Deferred income taxes	(1)	9
Amortization of investment tax credits	(1)	(1)
Allowance for equity funds used during construction	(14)	(12)
Provision for bad debts	15	10
Net realized and unrealized hedging and derivative transactions	(11)	(31)
Changes in operating assets and liabilities:
Accounts receivable	(10)	5
Accrued unbilled revenues	66	53
Inventories	3	8
Other current assets	(10)	13
Accounts payable	75	(10)
Net regulatory assets and liabilities	(24)	(554)
Other current liabilities	(105)	(187)
Pension and other employee benefit obligations	(14)	(50)
Other, net	(46)	91
Net cash provided by operating activities	641	2
Investing activities
Utility capital/construction expenditures	(873)	(705)
Investments in utility money pool arrangement	(45)	(240)
Repayments from utility money pool arrangement	45	240
Net cash used in investing activities	(873)	(705)
Financing activities
Repayments of short-term borrowings, net	(147)	(136)
Borrowings under utility money pool arrangement	411	443
Repayments under utility money pool arrangement	(386)	(500)
Proceeds from issuance of long-term debt	(686)	(738)
Repayments of long-term debt	(300)	0
Capital contributions from parent	183	447
Dividends paid to parent	(233)	(221)
Net cash provided by financing activities	214	771
Net change in cash, cash equivalents and restricted cash	(18)	68
Cash, cash equivalents and restricted cash at beginning of period	25	28
Cash, cash equivalents and restricted cash at end of period	7	96
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(117)	(116)
Cash paid for income taxes, net	(50)	(15)
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	175	126
Inventory transfers to property, plant and equipment	12	10
Operating lease right-of-use assets	15	1
Allowance for equity funds used during construction	$ 14	$ 12