Consolidated Statements of Financial Position (Unaudited) - DTE Energy Company (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Current Assets
Allowance for doubtful accounts	$ 82	$ 63
Shareholder’s Equity
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	207,100,586	206,357,070
Common stock, shares outstanding (in shares)	207,100,586	206,357,070