Stock-based Compensation and Defined Contribution Plans (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock-based Compensation Expense

The following table summarizes the components of stock-based compensation for DT Midstream.

	Year Ended December 31,
	2022		2021		2020
	(millions)
Stock-based compensation expense	$	17	$	12	$	6
Tax benefit	$	4	$	3	$	2

Summary of Restricted Stock Unit Activity

The following table summarizes DT Midstream's restricted stock unit activity for the year ended December 31, 2022:

	Restricted Stock Units	Weighted Average Grant Date Fair Value
	(thousands)	(per share)
Nonvested at December 31, 2021	466	$	41.60
Granted (a)	91	49.73
Forfeited	(20)	43.73
Vested (b)	(69)	40.23
Nonvested at December 31, 2022	468	$	43.28

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(a)Includes initial grants and reinvested dividends.

(b)Includes vested, not issued shares of 24 thousand at December 31, 2022. Shares will be issued in first quarter 2023.

Summary of Performance Shares Activity

The following table summarizes DT Midstream's performance share activity for the year ended December 31, 2022:

	Performance Shares	Weighted Average Grant Date Fair Value
	(thousands)	(per share)
Nonvested at December 31, 2021	290	$	40.63
Granted (a)	240	65.64
Forfeited	(42)	57.93
Settled	(79)	34.89
Nonvested at December 31, 2022	409	$	56.55

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(a)Includes initial grants, reinvested dividends and shares added for final performance metrics on settled awards.