Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net income	$ 362	$ 335
Adjustments to reconcile net income to cash from operating activities:
Depreciation and amortization	322	286
Deferred income taxes and investment tax credits	35	50
Allowance for equity funds used during construction	(32)	(21)
Deferred recovery clauses	(21)	(16)
Receivables, less allowance for credit losses	(88)	(46)
Taxes accrued	47	69
Interest accrued	27	32
Accounts payable	(1)	(18)
Regulatory assets and liabilities	0	(14)
Other	(23)	(10)
Cash flows from operating activities	628	647
Cash flows used in investing activities
Capital expenditures	(943)	(971)
Net proceeds from sale of assets	0	6
Cash flows used in investing activities	(943)	(965)
Cash flows from financing activities
Equity contributions from Parent	440	400
Proceeds from long-term debt issuance	790	0
Repayment of long-term debt	(278)	0
Net decrease in short-term debt (maturities of 90 days or less)	(15)	(113)
Proceeds from other short-term debt (maturities over 90 days)	0	300
Repayment of other short-term debt (maturities over 90 days)	(300)	0
Dividends to Parent	(302)	(266)
Cash flows from financing activities	335	321
Net increase in cash and cash equivalents	20	3
Cash and cash equivalents at beginning of period	10	14
Cash and cash equivalents at end of period	30	17
Supplemental disclosure of non-cash activities
Change in accrued capital expenditures	$ (6)	$ 0