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v3.10.0.1

Statements Of Consolidated Income (Loss) - USD ($) shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating Revenues |  |  |  |
Customer revenues | $ 4,991.1 | [1] | $ 4,730.2 | $ 4,392.5
Other revenues | 123.4 |  | 144.4 | 100.0
Total Operating Revenues | 5,114.5 |  | 4,874.6 | 4,492.5
Operating Expenses |  |  |  |
Cost of Sales (excluding depreciation and amortization) | 1,761.3 |  | 1,518.7 | 1,390.2
Operation and maintenance | 2,352.9 |  | 1,601.7 | 1,445.8
Depreciation and amortization | 599.6 |  | 570.3 | 547.1
Loss (Gain) on sale of assets and impairments, net | 1.2 |  | 5.5 | (1.0)
Other taxes | 274.8 |  | 257.2 | 244.3
Total Operating Expenses | 4,989.8 |  | 3,953.4 | 3,626.4
Operating Income (Loss) | 124.7 |  | 921.2 | 866.1
Other Income (Deductions) |  |  |  |
Interest expense, net | (353.3) |  | (353.2) | (349.5)
Other, net | 43.5 |  | (13.5) | (3.0)
Loss on early extinguishment of long-term debt | (45.5) |  | (111.5) | 0.0
Total Other Deductions, Net | (355.3) |  | (478.2) | (352.5)
Income (Loss) before Income Taxes | (230.6) |  | 443.0 | 513.6
Income Taxes | (180.0) |  | 314.5 | 182.1
Net Income (Loss) | (50.6) |  | 128.5 | 331.5
Preferred dividends | (15.0) |  | 0.0 | 0.0
Net Income (Loss) Available to Common Shareholders | $ (65.6) |  | $ 128.5 | $ 331.5
Earnings Per Share |  |  |  |
Basic Earnings (Loss) Per Share | $ (0.18) |  | $ 0.39 | $ 1.03
Diluted Earnings (Loss) Per Share | $ (0.18) |  | $ 0.39 | $ 1.02
Basic Average Common Shares Outstanding | 356,491 |  | 329,388 | 321,805
Diluted Average Common Shares | 356,491 |  | 330,756 | 323,524
[1] | Customer revenue amounts exclude intersegment revenues. See Note 22, "Segments of Business," for discussion of intersegment revenues.

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Name: | us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration