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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
DTE Energy Company
Schedule II — Valuation and Qualifying Accounts
Year Ending December 31,
202120202019
(In millions)
Allowance for Doubtful Accounts (shown as deduction from Accounts receivable in DTE Energy's Consolidated Statements of Financial Position)
Balance at Beginning of Period$104 $83 $91 
Additions:
Charged to costs and expenses54 105 103 
Charged to other accounts(a)
61 50 56 
Deductions(b)
(127)(134)(167)
Balance at End of Period$92 $104 $83 
_______________________________________
(a)Collection of accounts previously written off
(b)Uncollectible accounts written off.

DTE Electric Company
Schedule II — Valuation and Qualifying Accounts
Year Ending December 31,
202120202019
(In millions)
Allowance for Doubtful Accounts (shown as deduction from Accounts receivable in DTE Electric's Consolidated Statements of Financial Position)
Balance at Beginning of Period$57 $46 $53 
Additions:
Charged to costs and expenses36 61 65 
Charged to other accounts(a)
38 30 36 
Deductions(b)
(77)(80)(108)
Balance at End of Period$54 $57 $46 
_______________________________________
(a)Collection of accounts previously written off.
(b)Uncollectible accounts written off.