Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Net income	$ 142	$ 139
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	173	162
Deferred income taxes and investment tax credits	87	37
Allowance for equity funds used during construction	(1)	(12)
Deferred recovery clauses	(52)	41
Receivables, less allowance for uncollectibles	(23)	(8)
Inventories	(16)	1
Taxes accrued	27	120
Accounts payable	(88)	4
Other	(21)	(21)
Cash flows from operating activities	228	463
Cash flows from investing activities
Capital expenditures	(299)	(354)
Net proceeds from sale of assets	0	9
Cash flows used in investing activities	(299)	(345)
Cash flows from financing activities
Common stock	58	90
Repayment of long-term debt	0	(83)
Net increase in short-term debt	128	62
Dividends	(109)	(182)
Other financing activities	(1)	0
Cash flows from (used in) financing activities	76	(113)
Net increase in cash and cash equivalents	5	5
Cash and cash equivalents at beginning of period	10	9
Cash and cash equivalents at end of period	15	14
Supplemental disclosure of non-cash activities
Change in accrued capital expenditures	$ (24)	$ (14)