Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net income	$ 118	$ 92
Adjustments to reconcile net income to cash from operating activities:
Depreciation and amortization	105	106
Deferred income taxes and investment tax credits	39	22
Allowance for equity funds used during construction	(8)	(10)
Deferred recovery clauses	(49)	(3)
Receivables, less allowance for credit losses	(5)	(3)
Inventories	(8)	3
Taxes accrued	11	15
Interest accrued	21	32
Accounts payable	(84)	(62)
Regulatory assets and liabilities	5	0
Other	(3)	(12)
Cash flows from operating activities	142	180
Cash flows used in investing activities
Capital expenditures	(301)	(270)
Net proceeds from sale of assets	3	0
Cash flows used in investing activities	(298)	(270)
Cash flows from financing activities
Equity contributions from Parent	175	155
Proceeds from long-term debt issuance	0	792
Net increase (decrease) in short-term debt (maturities of 90 days or less)	68	(465)
Repayment of other short-term debt (maturities over 90 days)	0	(300)
Dividends to Parent	(85)	(88)
Cash flows from financing activities	158	94
Net increase in cash and cash equivalents	2	4
Cash and cash equivalents at beginning of period	18	10
Cash and cash equivalents at end of period	20	14
Supplemental disclosure of non-cash activities
Change in accrued capital expenditures	$ (20)	$ (12)