CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net income	$ 301.1	$ 302.7
Reconciliation to cash provided by operating activities
Depreciation and amortization	287.4	259.6
Deferred income taxes and investment tax credits, net	(98.3)	(67.3)
Contributions and payments related to pension and OPEB plans	(4.6)	(5.3)
Change in –
Accounts receivable and unbilled revenues	124.0	74.4
Prepaid taxes	53.0	32.3
Other current assets	8.4	17.3
Accounts payable	(96.0)	(65.0)
Other current liabilities	(4.1)	19.4
Other, net	102.2	198.1
Net cash provided by operating activities	673.1	766.2
Investing activities
Capital expenditures	(395.0)	(441.7)
Proceeds from assets transferred to affiliates	0.1	6.1
Payments for assets transferred from affiliates	0.0	(59.8)
Other, net	8.6	8.9
Net cash used in investing activities	(386.3)	(486.5)
Financing activities
Change in short-term debt	(97.9)	135.1
Retirement of long-term debt	0.0	(250.0)
Payments for finance lease obligations	(37.2)	0.0
Equity contribution from parent	105.0	28.0
Payment of dividends to parent	(270.0)	(200.0)
Other, net	(1.2)	(1.0)
Net cash used in financing activities	(301.3)	(287.9)
Net change in cash and cash equivalents	(14.5)	(8.2)
Cash and cash equivalents at beginning of period	20.2	12.3
Cash and cash equivalents at end of period	$ 5.7	$ 4.1