Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net Income	$ 276.7	$ 340.6
Reconciliation to cash
Depreciation and amortization	216.8	206.5
Deferred income taxes and investment tax credits, net	121.7	188.0
Contributions to qualified benefit plans	(100.0)	0.0
Change in -
Accounts receivable and accrued revenues	134.5	132.0
Inventories	72.2	25.1
Other current assets	16.7	11.8
Accounts payable	27.4	(52.6)
Accrued income taxes, net	10.5	(10.6)
Other current liabilities	(1.2)	(21.6)
Other, net	(59.4)	(97.9)
Cash Provided by Operating Activities	715.9	721.3
Investing Activities
Capital expenditures	(356.5)	(305.5)
Business acquisition, net of cash acquired of $156.3 million	(1,329.4)	0.0
Cash acquired from acquisition	156.3
Investment in transmission affiliate	(2.6)	(7.9)
Other, net	9.3	0.5
Cash Used in Investing Activities	(1,679.2)	(312.9)
Financing Activities
Exercise of stock options	12.2	17.6
Purchase of common stock	(32.0)	(57.3)
Dividends paid on common stock	(190.5)	(176.0)
Issuance of long-term debt	1,450.0	250.0
Retirement of long-term debt	(11.6)	(311.1)
Change in short-term debt	(105.7)	(127.3)
Other, net	(6.6)	3.1
Cash Provided by (Used in) Financing Activities	1,115.8	(401.0)
Change in Cash and Cash Equivalents	152.5	7.4
Cash and Cash Equivalents at Beginning of Period	61.9	26.0
Cash and Cash Equivalents at End of Period	$ 214.4	$ 33.4