Earnings Per Share and Dividends (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings Per Share

The following is a reconciliation of DT Midstream's basic and diluted earnings per share calculation:

	Year Ended December 31,
	2021		2020		2019
	(millions, except per share amounts)
Basic and Diluted Earnings per Common Share
Net Income Attributable to DT Midstream	$	307	$	312	$	204
Average number of common shares outstanding — basic	96.7		96.7		96.7
Incremental shares attributable to:
Average dilutive restricted stock units and performance share awards	0.2		—		—
Average number of common shares outstanding — diluted	96.9		96.7		96.7
Basic Earnings per Common Share	$	3.17	$	3.23	$	2.11
Diluted Earnings per Common Share	$	3.16	$	3.23	$	2.11

Schedule of Cash Dividends Declared

DT Midstream declared the following cash dividends:

Quarters Ended	Quarterly Dividend				Dividend Payment Date
	(per-share)		(millions)
2021
September 30	$	0.60	$	58	October 2021
December 31	$	0.60	$	58	January 2022