Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Components of Stock-Based Compensation

The following table summarizes the components of stock-based compensation for DTE Energy:

	2020		2019		2018
	(In millions)
Stock-based compensation expense	$	63	$	71	$	64
Tax benefit	$	12	$	13	$	13
Stock-based compensation cost capitalized in Property, plant, and equipment(a)	$	—	$	16	$	11

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(a)In DTE Electric's May 2020 rate order, the MPSC disallowed certain capital expenditures related to incentive compensation. Therefore, beginning in 2020, no stock-based compensation cost will be capitalized in Property, plant, and equipment. Refer to Note 10 to the Consolidated Financial Statements, "Regulatory Matters," for further information.

Schedule of Activity Relating to Performance Share Awards

DTE Energy recorded activity relating to performance share awards as follows:

	2020		2019		2018
	(In millions, except per share amounts)
Weighted average grant date fair value of awards granted (per share)	$	129.68	$	115.85	$	105.64
Awards settled in cash(a)	$	21	$	19	$	13
Awards settled in stock(a)	$	53	$	79	$	39
Compensation expense	$	50	$	60	$	53

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(a)Sum of awards settled in cash and stock approximates the intrinsic value of the awards.

Schedule of Stock-based Compensation, Performance Shares Activity Rollforward

The following table summarizes DTE Energy’s performance share activity for the period ended December 31, 2020:

	Performance Shares	Weighted Average Grant Date Fair Value
Balance at December 31, 2019	1,226,031	$	107.35
Grants	383,813	$	129.68
Forfeitures	(43,768)	$	116.94
Payouts	(438,639)	$	99.22
Balance at December 31, 2020	1,127,437	$	117.06

Schedule of Unrecognized Compensation Cost, Non-Vested Awards

As of December 31, 2020, DTE Energy's total unrecognized compensation cost related to non-vested stock incentive plan arrangements and the weighted average recognition period was as follows:

	Unrecognized Compensation Cost		Weighted Average to be Recognized
	(In millions)		(In years)
Stock awards	$	19	1.60
Performance shares	49		1.04
	$	68	1.19