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Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2022
Related Party Transactions [Abstract]  
Summary of Related Party Transactions
The following is a summary of DTE Electric's transactions with affiliated companies:
202220212020
(In millions)
Revenues and Other Income
Energy sales$8 $9 $8 
Other services and interest$— $2 $2 
Shared capital assets$57 $49 $47 
Costs
Fuel and purchased power$58 $13 $16 
Other services and interest$1 $— $1 
Corporate expenses$379 $391 $367 
Other
Dividends declared$763 $588 $539 
Dividends paid$763 $588 $539 
Capital contribution from DTE Energy$600 $555 $636