Consolidated Statements of Financial Position (Unaudited) (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
DTE Electric
Current Assets
Allowance for doubtful accounts	$ 53	$ 54
Shareholder’s Equity
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