Statements Of Consolidated Cash Flows - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net Income (Loss)	$ (38.9)	$ 180.9
Adjustments to Reconcile Net Income to Net Cash from Continuing Operations:
Loss on early extinguishment of debt	45.5	111.5
Depreciation and amortization	437.8	428.5
Deferred income taxes and investment tax credits	(26.4)	96.3
Other adjustments	15.6	28.5
Changes in Assets and Liabilities:
Components of working capital	442.9	32.6
Regulatory assets/liabilities	61.3	(12.9)
Postretirement and postemployment benefits	(41.4)	(314.5)
Deferred charges and other noncurrent assets	0.8	(3.7)
Other noncurrent liabilities	30.0	(17.6)
Net Cash Flows from Operating Activities	927.2	529.6
Investing Activities
Capital expenditures	(1,296.6)	(1,216.4)
Cost of removal	(72.6)	(78.9)
Purchases of available-for-sale securities	(71.4)	(139.4)
Sales of available-for-sale securities	58.5	129.4
Other investing activities	5.6	(1.4)
Net Cash Flows used for Investing Activities	(1,376.5)	(1,306.7)
Financing Activities
Issuance of long-term debt	350.0	2,750.0
Repayments of long-term debt and capital lease obligations	(1,044.0)	(1,352.4)
Premiums and other debt related costs	(46.1)	(139.8)
Issuance of short-term debt (maturity 90 days)	600.0	0.0
Change in short-term borrowings, net (maturity ≤ 90 days)	(194.6)	(644.9)
Issuance of common stock	611.6	332.6
Issuance of preferred stock	394.3	0.0
Acquisition of treasury stock	(4.0)	(5.9)
Dividends paid - common stock	(202.5)	(170.2)
Net Cash Flows from Financing Activities	464.7	769.4
Change in cash, cash equivalents and restricted cash	15.4	(7.7)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	38.4	36.0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 53.8	$ 28.3

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The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration