Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current Assets
Allowance for doubtful accounts	$ 100	$ 92
Shareholder’s Equity
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	193,739,166	193,747,509
Common stock, shares outstanding (in shares)	193,739,166	193,747,509
Securitization bonds	$ 209	$ 0
DTE Electric
Current Assets
Allowance for doubtful accounts	$ 53	$ 54
Shareholder’s Equity
Par value (in dollars per share)	$ 10	$ 10
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	138,632,324	138,632,324
Common stock, shares outstanding (in shares)	138,632,324	138,632,324
Securitization bonds	$ 209	$ 0