XML 25 R25.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Financial Instruments (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments |
In Millions
| June 30, 2015 |  | December 31, 2014 |
|  | Fair Value |  |  | Fair Value |
| Carrying |  |  |  | Level |  | Carrying |  |  |  | Level |
| Amount | Total | 1 | 2 | 3 |  | Amount | Total | 1 | 2 | 3 |
CMS Energy, including Consumers |
Securities held to maturity |  | $ | 13 |  | $ | 13 |  | $ | - |  | $ | 13 |  | $ | - |  |  | $ | 11 |  | $ | 11 |  | $ | - |  | $ | 11 |  | $ | - |
Notes receivable 1 |  |  | 990 |  |  | 1,052 |  |  | - |  |  | - |  |  | 1,052 |  |  |  | 938 |  |  | 995 |  |  | - |  |  | - |  |  | 995 |
Long-term debt 2 |  |  | 8,538 |  |  | 9,090 |  |  | - |  |  | 8,088 |  |  | 1,002 |  |  |  | 8,535 |  |  | 9,285 |  |  | - |  |  | 8,252 |  |  | 1,033 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 3 |  | $ | 5,241 |  | $ | 5,567 |  | $ | - |  | $ | 4,565 |  | $ | 1,002 |  |  | $ | 5,278 |  | $ | 5,749 |  | $ | - |  | $ | 4,716 |  | $ | 1,033 |
| 1 |  | Includes current portion of notes receivable of $113 million at June 30, 2015 and $138 million at December 31, 2014.
| 2 |  | Includes current portion of long-term debt of $498 million at June 30, 2015 and $519 million at December 31, 2014.
| 3 |  | Includes current portion of long-term debt of $100 million at June 30, 2015 and $124 million at December 31, 2014.
Schedule Of Investment Securities |
In Millions
| June 30, 2015 |  | December 31, 2014 |
|  | Unrealized | Unrealized | Fair |  |  | Unrealized | Unrealized | Fair |
| Cost | Gains | Losses | Value |  | Cost | Gains | Losses | Value |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DB SERP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 153 |  | $ | - |  | $ | 3 |  | $ | 150 |  |  | $ | 129 |  | $ | - |  | $ | 2 |  | $ | 127 |
Held to maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt securities |  |  | 13 |  |  | - |  |  | - |  |  | 13 |  |  |  | 11 |  |  | - |  |  | - |  |  | 11 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DB SERP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 109 |  | $ | - |  | $ | 2 |  | $ | 107 |  |  | $ | 92 |  | $ | - |  | $ | 2 |  | $ | 90 |
CMS Energy common stock |  |  | 4 |  |  | 22 |  |  | - |  |  | 26 |  |  |  | 5 |  |  | 33 |  |  | - |  |  | 38 |
Consumers Energy Company [Member] |
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments |
In Millions
| June 30, 2015 |  | December 31, 2014 |
|  | Fair Value |  |  | Fair Value |
| Carrying |  |  |  | Level |  | Carrying |  |  |  | Level |
| Amount | Total | 1 | 2 | 3 |  | Amount | Total | 1 | 2 | 3 |
CMS Energy, including Consumers |
Securities held to maturity |  | $ | 13 |  | $ | 13 |  | $ | - |  | $ | 13 |  | $ | - |  |  | $ | 11 |  | $ | 11 |  | $ | - |  | $ | 11 |  | $ | - |
Notes receivable 1 |  |  | 990 |  |  | 1,052 |  |  | - |  |  | - |  |  | 1,052 |  |  |  | 938 |  |  | 995 |  |  | - |  |  | - |  |  | 995 |
Long-term debt 2 |  |  | 8,538 |  |  | 9,090 |  |  | - |  |  | 8,088 |  |  | 1,002 |  |  |  | 8,535 |  |  | 9,285 |  |  | - |  |  | 8,252 |  |  | 1,033 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt 3 |  | $ | 5,241 |  | $ | 5,567 |  | $ | - |  | $ | 4,565 |  | $ | 1,002 |  |  | $ | 5,278 |  | $ | 5,749 |  | $ | - |  | $ | 4,716 |  | $ | 1,033 |
| 1 |  | Includes current portion of notes receivable of $113 million at June 30, 2015 and $138 million at December 31, 2014.
| 2 |  | Includes current portion of long-term debt of $498 million at June 30, 2015 and $519 million at December 31, 2014.
| 3 |  | Includes current portion of long-term debt of $100 million at June 30, 2015 and $124 million at December 31, 2014.
Schedule Of Investment Securities |
In Millions
| June 30, 2015 |  | December 31, 2014 |
|  | Unrealized | Unrealized | Fair |  |  | Unrealized | Unrealized | Fair |
| Cost | Gains | Losses | Value |  | Cost | Gains | Losses | Value |
CMS Energy, including Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DB SERP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 153 |  | $ | - |  | $ | 3 |  | $ | 150 |  |  | $ | 129 |  | $ | - |  | $ | 2 |  | $ | 127 |
Held to maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt securities |  |  | 13 |  |  | - |  |  | - |  |  | 13 |  |  |  | 11 |  |  | - |  |  | - |  |  | 11 |
Consumers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DB SERP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual funds |  | $ | 109 |  | $ | - |  | $ | 2 |  | $ | 107 |  |  | $ | 92 |  | $ | - |  | $ | 2 |  | $ | 90 |
CMS Energy common stock |  |  | 4 |  |  | 22 |  |  | - |  |  | 26 |  |  |  | 5 |  |  | 33 |  |  | - |  |  | 38 |

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
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: |