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Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
REVENUES: |  |  |  |  |
Regulated Distribution |  | $ 2,352 | $ 2,271 | $ 4,928 | $ 4,771
Regulated Transmission |  | 341 | 327 | 664 | 640
Other |  | 11 | 26 | 88 | 68
Total revenues(1) | [1] | 2,704 | 2,624 | 5,680 | 5,479
OPERATING EXPENSES: |  |  |  |  |
Fuel |  | 177 | 163 | 364 | 367
Purchased power |  | 698 | 650 | 1,523 | 1,441
Other operating expenses |  | 705 | 675 | 1,667 | 1,332
Provision for depreciation |  | 299 | 254 | 593 | 504
Amortization (deferral) of regulatory assets, net |  | (107) | 78 | (255) | 161
General taxes |  | 245 | 230 | 504 | 472
Total operating expenses |  | 2,017 | 2,050 | 4,396 | 4,277
OPERATING INCOME |  | 687 | 574 | 1,284 | 1,202
OTHER INCOME (EXPENSE): |  |  |  |  |
Miscellaneous income, net |  | 48 | 11 | 115 | 25
Interest expense |  | (369) | (248) | (619) | (493)
Capitalized financing costs |  | 16 | 14 | 31 | 26
Total other expense |  | (305) | (223) | (473) | (442)
INCOME BEFORE INCOME TAXES |  | 382 | 351 | 811 | 760
INCOME TAXES |  | 115 | 132 | 367 | 284
INCOME FROM CONTINUING OPERATIONS |  | 267 | 219 | 444 | 476
Discontinued operations (Note 3)(2) | [2] | 32 | (45) | 1,224 | (97)
NET INCOME |  | 299 | 174 | 1,668 | 379
INCOME ALLOCATED TO PREFERRED STOCKHOLDERS (Note 4) |  | 165 | 0 | 304 | 0
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS |  | $ 134 | $ 174 | $ 1,364 | $ 379
EARNINGS PER SHARE OF COMMON STOCK (Note 4): |  |  |  |  |
Basic - Continuing Operations (in dollars per share) |  | $ 0.22 | $ 0.49 | $ 0.29 | $ 1.07
Basic - Discontinued Operations (in dollars per share) |  | 0.06 | (0.10) | 2.57 | (0.21)
Basic - Net Income Attributable to Common Stockholders (in dollars per share) |  | 0.28 | 0.39 | 2.86 | 0.86
Diluted - Continuing Operations (in dollars per share) |  | 0.22 | 0.49 | 0.29 | 1.07
Diluted - Discontinued Operations (in dollars per share) |  | 0.06 | (0.10) | 2.56 | (0.22)
Diluted - Net Income Attributable to Common Stockholders (in dollars per share) |  | $ 0.28 | $ 0.39 | $ 2.85 | $ 0.85
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING: |  |  |  |  |
Basic, in shares |  | 477 | 444 | 477 | 443
Diluted, in shares |  | 479 | 445 | 478 | 444
DIVIDENDS DECLARED PER SHARE OF COMMON STOCK, in dollars per share |  | $ 0 | $ 0 | $ 0.72 | $ 0.72
Excise taxes collected |  | $ 87 | $ 91 | $ 189 | $ 191
Income tax expense (benefit) |  | $ 30 | $ 15 | $ 920 | $ 41
[1] | Includes excise tax collections of $87 million and $91 million in the three months ended June 30, 2018 and 2017, respectively, and $189 million and $191 million in the six months ended June 30, 2018 and 2017, respectively.
[2] | Net of income tax benefits of $30 million and $15 million for the three months ended June 30, 2018 and 2017, respectively, and income tax benefits of $920 million and $41 million for the six months ended June 30, 2018 and 2017, respectively.

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- Definition Cost of electricity purchased as well as fuel used to generate electricity used in operations and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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