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Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Dec. 31, 2012
Schedule II - Valuation and Qualifying Accounts and Reserves | CMS Energy Corporation Schedule II – Valuation and Qualifying Accounts and Reserves Years Ended December 31, 2012, 2011, and 2010
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period |
Allowance for uncollectible accounts1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 35 |  | $ | 53 |  | $ | - |  | $ | 56 |  | $ | 32 |
2011 |  |  | 25 |  |  | 70 |  |  | - |  |  | 60 |  |  | 35 |
2010 |  |  | 23 |  |  | 53 |  |  | - |  |  | 51 |  |  | 25 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 20 |  | $ | - |  | $ | (15) |  | $ | 2 |  | $ | 3 |
2011 |  |  | 19 |  |  | 1 |  |  | - |  |  | - |  |  | 20 |
2010 |  |  | 34 |  |  | 1 |  |  | (15) |  |  | 1 |  |  | 19 |
Allowance for notes receivable1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 5 |  | $ | 4 |  | $ | - |  | $ | 4 |  | $ | 5 |
2011 |  |  | 5 |  |  | 4 |  |  | - |  |  | 4 |  |  | 5 |
2010 |  |  | 6 |  |  | 4 |  |  | - |  |  | 5 |  |  | 5 |
1 | Deductions are write-offs of uncollectible accounts, net of recoveries.
Consumers Energy Company Schedule II – Valuation and Qualifying Accounts and Reserves Years Ended December 31, 2012, 2011, and 2010
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period |
Allowance for uncollectible accounts1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 33 |  | $ | 53 |  | $ | - |  | $ | 56 |  | $ | 30 |
2011 |  |  | 23 |  |  | 70 |  |  | - |  |  | 60 |  |  | 33 |
2010 |  |  | 21 |  |  | 53 |  |  | - |  |  | 51 |  |  | 23 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 1 |  | $ | - |  | $ | - |  | $ | - |  | $ | 1 |
2011 |  |  | - |  |  | 1 |  |  | - |  |  | - |  |  | 1 |
2010 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |
1 | Deductions are write-offs of uncollectible accounts, net of recoveries.
Consumers Energy Company [Member] |
Schedule II - Valuation and Qualifying Accounts and Reserves | CMS Energy Corporation Schedule II – Valuation and Qualifying Accounts and Reserves Years Ended December 31, 2012, 2011, and 2010
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period |
Allowance for uncollectible accounts1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 35 |  | $ | 53 |  | $ | - |  | $ | 56 |  | $ | 32 |
2011 |  |  | 25 |  |  | 70 |  |  | - |  |  | 60 |  |  | 35 |
2010 |  |  | 23 |  |  | 53 |  |  | - |  |  | 51 |  |  | 25 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 20 |  | $ | - |  | $ | (15) |  | $ | 2 |  | $ | 3 |
2011 |  |  | 19 |  |  | 1 |  |  | - |  |  | - |  |  | 20 |
2010 |  |  | 34 |  |  | 1 |  |  | (15) |  |  | 1 |  |  | 19 |
Allowance for notes receivable1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 5 |  | $ | 4 |  | $ | - |  | $ | 4 |  | $ | 5 |
2011 |  |  | 5 |  |  | 4 |  |  | - |  |  | 4 |  |  | 5 |
2010 |  |  | 6 |  |  | 4 |  |  | - |  |  | 5 |  |  | 5 |
1 | Deductions are write-offs of uncollectible accounts, net of recoveries.
Consumers Energy Company Schedule II – Valuation and Qualifying Accounts and Reserves Years Ended December 31, 2012, 2011, and 2010
In Millions
Description | Balance at Beginning of Period | Charged to Expense | Charged to Other Accounts | Deductions | Balance at End of Period |
Allowance for uncollectible accounts1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 33 |  | $ | 53 |  | $ | - |  | $ | 56 |  | $ | 30 |
2011 |  |  | 23 |  |  | 70 |  |  | - |  |  | 60 |  |  | 33 |
2010 |  |  | 21 |  |  | 53 |  |  | - |  |  | 51 |  |  | 23 |
Deferred tax valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2012 |  | $ | 1 |  | $ | - |  | $ | - |  | $ | - |  | $ | 1 |
2011 |  |  | - |  |  | 1 |  |  | - |  |  | - |  |  | 1 |
2010 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |
1 | Deductions are write-offs of uncollectible accounts, net of recoveries.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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