Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities
Net income	$ 92	$ 77
Adjustments to reconcile net income to cash from operating activities:
Depreciation and amortization	106	97
Deferred income taxes and investment tax credits	22	31
Allowance for equity funds used during construction	(10)	(6)
Deferred recovery clauses	(3)	38
Receivables, less allowance for credit losses	(3)	(7)
Inventories	3	9
Taxes accrued	15	1
Interest accrued	32	31
Accounts payable	(62)	(52)
Regulatory assets and liabilities	0	(12)
Other	(12)	(15)
Cash flows from operating activities	180	192
Cash flows used in investing activities
Capital expenditures	(270)	(324)
Net proceeds from sale of assets	0	6
Cash flows used in investing activities	(270)	(318)
Cash flows from financing activities
Equity contributions from Parent	155	145
Proceeds from long-term debt issuance	792	0
Net increase (decrease) in short-term debt (maturities of 90 days or less)	(465)	(244)
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	(88)	(73)
Cash flows from financing activities	94	128
Net increase in cash and cash equivalents	4	2
Cash and cash equivalents at beginning of period	10	14
Cash and cash equivalents at end of period	14	16
Supplemental disclosure of non-cash activities
Change in accrued capital expenditures	$ (12)	$ (2)