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Schedule II - Consolidated Valuation And Qualifying Accounts (Tables)
12 Months Ended
Dec. 31, 2012
Schedule II - Consolidated Valuation And Qualifying Accounts [Abstract]  
Schedule II - Consolidated Valuation And Qualifying Accounts
 
 
Additions
 
 
Description
Balance at Beginning of Period
Charged to Costs and Expenses
Charged to Other Accounts
Deductions (2)
Balance at End of Period
Valuation and qualifying accounts deducted from assets:
 
 
 
 
 
2012:
 
 
 
 
 
Allowance for uncollectible accounts(1)
$ 81
$ 66
$ -
$ 60
$ 87
2011:
 
 
 
 
 
Allowance for uncollectible accounts(1)
$ 81
$ 60
$ -
$ 60
$ 81
2010:
 
 
 
 
 
Allowance for uncollectible accounts(1)
$ 68
$ 56
$ -
$ 43
$ 81
 
 
 
 
 
 
 
 
 
 
 
 
(1) Allowance for uncollectible accounts is deducted from “Accounts receivable - Customers.”
 
(2) Deductions consist principally of write-offs, net of collections of receivables previously written off.