XML 51 R9.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Consolidated Statements Of Changes In Equity (USD $) In Millions | Consumers Energy Company [Member] CMS Energy Common Stock [Member] | Consumers Energy Company [Member] Other Paid-in Capital [Member] | Consumers Energy Company [Member] Accumulated Other Comprehensive Income (Loss) [Member] | Consumers Energy Company [Member] Retirement Benefits Liability [Member] | Consumers Energy Company [Member] Investments [Member] | Consumers Energy Company [Member] Retained Earnings (Accumulated Deficit) [Member] | Consumers Energy Company [Member] Preferred Stock [Member] | Consumers Energy Company [Member] | CMS Energy Common Stock [Member] | Other Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retirement Benefits Liability [Member] | Investments [Member] | Derivative Instruments [Member] | Retained Earnings (Accumulated Deficit) [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Total Equity, beginning at Mar. 31, 2012 | $ 841 | $ 3,107 | $ (4) | $ (18) | $ 14 | $ 515 | $ 44 | $ 4,503 | $ 3 | $ 4,641 | $ (47) | $ (47) | $ 1 | $ (1) | $ (1,548) | $ 44 | $ 3,093
Common stock issued |  |  |  |  |  |  |  |  |  | 23 |  |  |  |  |  |  |
Common stock reissued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholder contribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirement benefits liability adjustments |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  | (1)
Unrealized gain (loss) on investments, net of tax |  |  |  |  | 3 |  |  | 3 |  |  |  |  | 1 |  |  |  | 1
Reclassification adjustments included in net income, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to CMS Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100 |  |
Net income |  |  |  |  |  | 122 |  | 122 |  |  |  |  |  |  |  |  | 101
Common stock dividends declared |  |  |  |  |  | (43) |  |  |  |  |  |  |  |  | (63) |  |
Preferred stock dividends and distributions declared |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |
Income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Distributions and other changes in noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1) |
Total Equity, end at Jun. 30, 2012 | 841 | 3,107 | (1) | (18) | 17 | 593 | 44 | 4,584 | 3 | 4,664 | (45) | (46) | 2 | (1) | (1,511) | 44 | 3,155
Total Equity, beginning at Dec. 31, 2011 | 841 | 2,957 | (2) | (19) | 17 | 554 | 44 | 4,394 | 3 | 4,627 | (49) | (48) |  | (1) | (1,553) | 44 | 3,072
Common stock issued |  |  |  |  |  |  |  |  |  | 31 |  |  |  |  |  |  |
Common stock reissued |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |
Stockholder contribution |  | 150 |  |  |  |  |  | 150 |  |  |  |  |  |  |  |  |
Retirement benefits liability adjustments |  |  |  | 1 |  |  |  | (1) |  |  |  | 2 |  |  |  |  | (2)
Unrealized gain (loss) on investments, net of tax |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  | 2
Reclassification adjustments included in net income, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to CMS Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 167 |  |
Net income |  |  |  |  |  | 198 |  | 198 |  |  |  |  |  |  |  |  | 168
Common stock dividends declared |  |  |  |  |  | (158) |  |  |  |  |  |  |  |  | (125) |  |
Preferred stock dividends and distributions declared |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |
Income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Distributions and other changes in noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1) |
Total Equity, end at Jun. 30, 2012 | 841 | 3,107 | (1) | (18) | 17 | 593 | 44 | 4,584 | 3 | 4,664 | (45) | (46) | 2 | (1) | (1,511) | 44 | 3,155
Total Equity, beginning at Dec. 31, 2012 | 841 | 3,107 | (8) | (25) | 17 | 598 | 44 | 4,582 | 3 | 4,669 | (55) | (56) | 2 | (1) | (1,423) | 44 | 3,238
Common stock issued |  |  |  |  |  |  |  |  |  | 37 |  |  |  |  |  |  |
Common stock reissued |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |
Common stock repurchased |  |  |  |  |  |  |  |  |  | (1) |  |  |  |  |  |  |
Stockholder contribution |  | 150 |  |  |  |  |  | 150 |  |  |  |  |  |  |  |  |
Retirement benefits liability adjustments |  |  |  | 2 |  |  |  | (2) |  |  |  | 2 |  |  |  |  | (2)
Unrealized gain (loss) on investments, net of tax |  |  |  |  |  |  |  |  |  |  |  |  | (3) |  |  |  | (3)
Reclassification adjustments included in net income, net of tax |  |  |  |  | (3) |  |  | 3 |  |  |  |  |  |  |  |  |
Net income attributable to CMS Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 224 |  |
Net income |  |  |  |  |  | 262 |  | 262 |  |  |  |  |  |  |  |  | 225
Common stock dividends declared |  |  |  |  |  | (194) |  |  |  |  |  |  |  |  | (135) |  |
Preferred stock dividends and distributions declared |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |
Income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Distributions and other changes in noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8) |
Preferred stock redeemed |  |  |  |  |  |  | (7) |  |  |  |  |  |  |  |  |  |
Total Equity, end at Jun. 30, 2013 | 841 | 3,257 | (9) | (23) | 14 | 665 | 37 | 4,791 | 3 | 4,710 | (56) | (54) | (1) | (1) | (1,334) | 37 | 3,360
Total Equity, beginning at Mar. 31, 2013 | 841 | 3,257 | (6) | (24) | 18 | 667 | 44 | 4,803 | 3 | 4,703 | (54) | (55) | 2 | (1) | (1,346) | 44 | 3,350
Common stock issued |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |
Common stock reissued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock repurchased |  |  |  |  |  |  |  |  |  | (1) |  |  |  |  |  |  |
Stockholder contribution |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retirement benefits liability adjustments |  |  |  | 1 |  |  |  | (1) |  |  |  | 1 |  |  |  |  | (1)
Unrealized gain (loss) on investments, net of tax |  |  |  |  | (4) |  |  | (4) |  |  |  |  | (3) |  |  |  | (3)
Reclassification adjustments included in net income, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to CMS Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80 |  |
Net income |  |  |  |  |  | 100 |  | 100 |  |  |  |  |  |  |  |  | 81
Common stock dividends declared |  |  |  |  |  | (101) |  |  |  |  |  |  |  |  | (68) |  |
Preferred stock dividends and distributions declared |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |
Income attributable to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Distributions and other changes in noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8) |
Preferred stock redeemed |  |  |  |  |  |  | (7) |  |  |  |  |  |  |  |  |  |
Total Equity, end at Jun. 30, 2013 | $ 841 | $ 3,257 | $ (9) | $ (23) | $ 14 | $ 665 | $ 37 | $ 4,791 | $ 3 | $ 4,710 | $ (56) | $ (54) | $ (1) | $ (1) | $ (1,334) | $ 37 | $ 3,360

X
- Definition Equity impact of the value of shares reissued during the period. Upon reissuance, the common stock reissued is outstanding. + References No definition available. + Details
Name: | cms_CommonStockReissuedValue
Namespace Prefix: | cms_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Changes in noncontrolling interest balance from payment of dividends or other distributions or transactions affecting noncontrolling interest holders. + References No definition available. + Details
Name: | cms_OtherChangesInNoncontrollingInterests
Namespace Prefix: | cms_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: 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 + Details
Name: | us-gaap_DividendsCommonStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_DividendsPreferredStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e689-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received by a corporation from a shareholder during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromContributedCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568447-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568740-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4590271-111686 + Details
Name: | us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity impact of the value of stock bought back by the entity at the exercise price or redemption price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
Name: | us-gaap_StockRedeemedOrCalledDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration