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v3.6.0.2

Consolidated Statements Of Income - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Revenue |  | $ 6,399 | $ 6,456 | $ 7,179
Operating Expenses |  |  |  |
Fuel for electric generation |  | 499 | 593 | 673
Purchased and interchange power |  | 1,508 | 1,406 | 1,602
Purchased power - related parties |  | 86 | 83 | 90
Cost of gas sold |  | 710 | 961 | 1,493
Maintenance and other operating expenses |  | 1,207 | 1,238 | 1,232
Depreciation and amortization |  | 811 | 750 | 685
General taxes |  | 281 | 262 | 252
Total operating expenses |  | 5,102 | 5,293 | 6,027
Operating Income |  | 1,297 | 1,163 | 1,152
Other Income (Expense) |  |  |  |
Interest income |  | 6 | 12 | 5
Allowance for equity funds used during construction |  | 12 | 10 | 8
Income from equity method investees | [1] | 13 | 14 | 15
Other income |  | 8 | 10 | 11
Other expense |  | (75) | (17) | (55)
Total other income |  | (36) | 29 | (16)
Interest Charges |  |  |  |
Interest on long-term debt |  | 411 | 386 | 393
Other interest expense |  | 29 | 14 | 17
Allowance for borrowed funds used during construction |  | (5) | (4) | (3)
Total interest charges |  | 435 | 396 | 407
Income Before Income Taxes |  | 826 | 796 | 729
Income Tax Expense |  | 273 | 271 | 250
Net Income |  | 553 | 525 | 479
Income Attributable to Noncontrolling Interests |  | 2 | 2 | 2
Net Income Available to Common Stockholders |  | $ 551 | $ 523 | $ 477
Basic Earnings Per Average Common Share |  | $ 1.99 | $ 1.90 | $ 1.76
Diluted Earnings Per Average Common Share |  | $ 1.98 | $ 1.89 | $ 1.74
Consumers Energy Company [Member] |  |  |  |
Operating Revenue |  | $ 6,064 | $ 6,165 | $ 6,800
Operating Expenses |  |  |  |
Fuel for electric generation |  | 393 | 497 | 567
Purchased and interchange power |  | 1,486 | 1,376 | 1,564
Purchased power - related parties |  | 88 | 83 | 89
Cost of gas sold |  | 693 | 939 | 1,375
Maintenance and other operating expenses |  | 1,090 | 1,149 | 1,146
Depreciation and amortization |  | 803 | 744 | 678
General taxes |  | 277 | 255 | 246
Total operating expenses |  | 4,830 | 5,043 | 5,665
Operating Income |  | 1,234 | 1,122 | 1,135
Other Income (Expense) |  |  |  |
Interest income |  | 4 | 11 | 4
Interest and dividend income - related parties |  | 1 | 1 | 1
Allowance for equity funds used during construction |  | 12 | 10 | 8
Other income |  | 8 | 19 | 10
Other expense |  | (55) | (17) | (35)
Total other income |  | (30) | 24 | (12)
Interest Charges |  |  |  |
Interest on long-term debt |  | 261 | 252 | 243
Other interest expense |  | 12 | 2 | 10
Allowance for borrowed funds used during construction |  | (5) | (4) | (3)
Total interest charges |  | 268 | 250 | 250
Income Before Income Taxes |  | 936 | 896 | 873
Income Tax Expense |  | 320 | 302 | 306
Net Income |  | 616 | 594 | 567
Preferred Stock Dividends |  | 2 | 2 | 2
Net Income Available to Common Stockholders |  | $ 614 | $ 592 | $ 565
[1] | Consumers had no significant equity method investments.

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- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. + 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 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of operating expense for purchased power of regulated operation. + 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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