XML 47 R23.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Financings And Capitalization (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Major Long-Term Debt Transactions |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Principal |  | Issue/Retirement |  |
﻿ | (In Millions) | Interest Rate |  | Date | Maturity Date |
﻿Debt issuances |  |  |  |  |  |  |  |
﻿CMS Energy, parent only |  |  |  |  |  |  |  |
﻿Senior notes |  | $ | 300 | 3.000 | % | May 2016 | May 2026 |
﻿Total CMS Energy, parent only |  | $ | 300 |  |  |  |  |
﻿Consumers |  |  |  |  |  |  |  |
﻿FMBs |  | $ | 450 | 3.250 | % | August 2016 | August 2046 |
﻿Total Consumers |  | $ | 450 |  |  |  |  |
﻿Total CMS Energy |  | $ | 750 |  |  |  |  |
﻿Debt retirements |  |  |  |  |  |  |  |
﻿Consumers |  |  |  |  |  |  |  |
﻿FMBs |  | $ | 173 | 5.500 | % | August 2016 | August 2016 |
﻿Total Consumers |  | $ | 173 |  |  |  |  |
﻿Total CMS Energy |  | $ | 173 |  |  |  |  |
﻿
Revolving Credit Facilities |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿In Millions
﻿ |  |  | Letters of Credit |
﻿Expiration Date | Amount of Facility | Amount Borrowed | Outstanding | Amount Available |
﻿CMS Energy, parent only |  |  |  |  |  |  |  |  |  |  |  |  |
﻿May 27, 2021 1,2 |  | $ | 550 |  | $ | - |  | $ | 1 |  | $ | 549 |
﻿Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
﻿May 27, 2021 1,3 |  | $ | 650 |  | $ | - |  | $ | 7 |  | $ | 643 |
﻿November 23, 2017 3 |  |  | 250 |  |  | - |  |  | - |  |  | 250 |
﻿May 9, 2018 3 |  |  | 30 |  |  | - |  |  | 30 |  |  | - |
﻿
| 1 |  | In May 2016, the expiration date of this revolving credit agreement was extended from 2020 to 2021.
| 2 |  | During the nine months ended September 30, 2016, CMS Energy’s average borrowings totaled $3 million with a weighted-average interest rate of 1.68 percent. Obligations under this facility are secured by Consumers common stock.
| 3 |  | Obligations under this facility are secured by FMBs of Consumers.
Issuance Of Common Stock |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Number of | Average | Proceeds |
﻿ | Shares Issued | Price per Share | (In Millions) |
﻿April – July 2015 | 888,610 |  | $ | 33.76 |  | $ | 30 |
﻿March 2016 | 1,449,171 |  |  | 41.40 |  |  | 60 |
﻿Total | 2,337,781 |  | $ | 38.50 |  | $ | 90 |
﻿
Consumers Energy Company [Member] |
Major Long-Term Debt Transactions |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Principal |  | Issue/Retirement |  |
﻿ | (In Millions) | Interest Rate |  | Date | Maturity Date |
﻿Debt issuances |  |  |  |  |  |  |  |
﻿CMS Energy, parent only |  |  |  |  |  |  |  |
﻿Senior notes |  | $ | 300 | 3.000 | % | May 2016 | May 2026 |
﻿Total CMS Energy, parent only |  | $ | 300 |  |  |  |  |
﻿Consumers |  |  |  |  |  |  |  |
﻿FMBs |  | $ | 450 | 3.250 | % | August 2016 | August 2046 |
﻿Total Consumers |  | $ | 450 |  |  |  |  |
﻿Total CMS Energy |  | $ | 750 |  |  |  |  |
﻿Debt retirements |  |  |  |  |  |  |  |
﻿Consumers |  |  |  |  |  |  |  |
﻿FMBs |  | $ | 173 | 5.500 | % | August 2016 | August 2016 |
﻿Total Consumers |  | $ | 173 |  |  |  |  |
﻿Total CMS Energy |  | $ | 173 |  |  |  |  |
﻿
Revolving Credit Facilities |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿In Millions
﻿ |  |  | Letters of Credit |
﻿Expiration Date | Amount of Facility | Amount Borrowed | Outstanding | Amount Available |
﻿CMS Energy, parent only |  |  |  |  |  |  |  |  |  |  |  |  |
﻿May 27, 2021 1,2 |  | $ | 550 |  | $ | - |  | $ | 1 |  | $ | 549 |
﻿Consumers |  |  |  |  |  |  |  |  |  |  |  |  |
﻿May 27, 2021 1,3 |  | $ | 650 |  | $ | - |  | $ | 7 |  | $ | 643 |
﻿November 23, 2017 3 |  |  | 250 |  |  | - |  |  | - |  |  | 250 |
﻿May 9, 2018 3 |  |  | 30 |  |  | - |  |  | 30 |  |  | - |
﻿
| 1 |  | In May 2016, the expiration date of this revolving credit agreement was extended from 2020 to 2021.
| 2 |  | During the nine months ended September 30, 2016, CMS Energy’s average borrowings totaled $3 million with a weighted-average interest rate of 1.68 percent. Obligations under this facility are secured by Consumers common stock.
| 3 |  | Obligations under this facility are secured by FMBs of Consumers.

X
- Definition Tabular disclosure of major long-term debt transactions. + References No definition available. + Details
Name: | cms_SummaryOfMajorDebtTransactionsTableTextBlock
Namespace Prefix: | cms_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21553-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 + Details
Name: | us-gaap_ScheduleOfStockByClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=cms_ConsumersEnergyCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |