Aggregate Amount Of Common Shares Available For Issuance And Sale Under Equity Distribution Agreement

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Calculated annualized per share amount for common stock dividends declared

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- Definition

Common Stock Sold Under Equity Distribution Agreement

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The percentage rate used to calculate dividend payments on preferred stock.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Price of a single share of a number of saleable stocks of a company.

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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EQUITY EQUITY (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended													12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners												20.00%
Business Combination, Consideration Transferred		$ 27,000									$ 195,000
Dividends, Per Share, Cash Paid		$ 0.935	$ 0.935	$ 0.935	$ 0.935	$ 0.915	$ 0.890	$ 0.865	$ 0.860	$ 0.855	$ 0.825	$ 0.795	$ 0.770	$ 3.74	$ 3.53	$ 3.245
Dividends, Cash														$ 1,600,000	$ 1,500,000	$ 1,300,000
Public Offering Price				$ 32.00									$ 54.50
Stock Issued During Period, Shares, New Issues				29,900									21,900
Stock Issued During Period, Value, New Issues				$ 937,000									$ 1,200,000
Dividends, Preferred Stock, Cash														1,100	1,100	1,100
Preferred stock dividends paid														$ 1,100	$ 1,100	$ 1,100
Issued Under Equity Agreement
Common Stock Sold Under Equity Distribution Agreement														0
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared, Annualized	$ 3.74
Common Stock, Dividends, Per Share, Declared	$ 0.935
Preferred stock dividends paid	$ 300
Dividends Payable, Date of Record	Feb. 01, 2021
Series A Preferred Stock [Member]
Preferred Stock, Shares Outstanding		0												0
Series E Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage														5.50%
ONEOK [Member]
Aggregate Amount Of Common Shares Available For Issuance And Sale Under Equity Distribution Agreement			$ 1,000,000