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EARNINGS PER SHARE EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

The following tables set forth the computation of basic and diluted EPS for the periods indicated:



	Three Months Ended September 30, 2018
	Income				Shares			Per Share Amount
	(Thousands, except per share amounts)
Basic EPS
Net income attributable to ONEOK available for common stock	$	312,984			412,117			$	0.76
Diluted EPS
Effect of dilutive securities	—				2,730
Net income attributable to ONEOK available for common stock and common stock equivalents	$	312,984			414,847			$	0.75



	Three Months Ended September 30, 2017
	Income				Shares			Per Share Amount
	(Thousands, except per share amounts)
Basic EPS
Net income attributable to ONEOK available for common stock	$	165,466			380,907			$	0.43
Diluted EPS
Effect of dilutive securities	—				2,512
Net income attributable to ONEOK available for common stock and common stock equivalents	$	165,466			383,419			$	0.43



	Nine Months Ended September 30, 2018
	Income				Shares			Per Share Amount
	(Thousands, except per share amounts)
Basic EPS
Net income attributable to ONEOK available for common stock	$	857,990			411,400			$	2.09
Diluted EPS
Effect of dilutive securities	—				2,635
Net income attributable to ONEOK available for common stock and common stock equivalents	$	857,990			414,035			$	2.07



	Nine Months Ended September 30, 2017
	Income				Shares			Per Share Amount
	(Thousands, except per share amounts)
Basic EPS
Net income attributable to ONEOK available for common stock	$	324,303			268,108			$	1.21
Diluted EPS
Effect of dilutive securities	—				2,241
Net income attributable to ONEOK available for common stock and common stock equivalents	$	324,303			270,349			$	1.20