Consolidated Statements Of Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Non-controlling Interest
Balance at beginning of period at Dec. 31, 2017	$ 5,896,940	$ (7,447)	$ 2,560	$ 4,132,696	$ 3,346,615	$ (14,129)	$ 29,869	$ 6,682	$ (2,140,911)	$ 526,111
Net income (loss)	$ 1,177,224				1,097,960					79,264
Dividends declared per common share (in USD per share)	$ 1.32
Dividends ($1.40 declared per common share)	$ (233,544)				(233,544)
Distributions to noncontrolling interest holders	(125,653)									(125,653)
Other comprehensive loss, net of tax	(22,928)						(22,928)
Equity attributable to HEP common unit issuances, net of tax	100,333			42,199						58,134
Issuance of common stock under incentive compensation plans				(17,742)					17,742
Equity-based compensation	42,172			38,972						3,200
Purchase of treasury stock	(367,470)								(367,470)
Purchase of HEP units for restricted grants	(568)									(568)
Balance at end of period at Dec. 31, 2018	$ 6,459,059		2,560	4,196,125	4,196,902		13,623		(2,490,639)	540,488
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201409Member
Net income (loss)	$ 872,352				772,388					99,964
Dividends declared per common share (in USD per share)	$ 1.34
Dividends ($1.40 declared per common share)	$ (225,170)				(225,170)
Distributions to noncontrolling interest holders	(132,268)									(132,268)
Other comprehensive loss, net of tax	1,151						1,151
Equity attributable to HEP common unit issuances, net of tax	(139)									(139)
Issuance of common stock under incentive compensation plans				(31,314)					31,314
Equity-based compensation	42,269			39,736						2,533
Purchase of treasury stock	(528,483)								(528,483)
Purchase of HEP units for restricted grants	(1,893)									(1,893)
Contributions from noncontrolling interests	22,548									22,548
Balance at end of period at Dec. 31, 2019	6,509,426		2,560	4,204,547	4,744,120		14,774		(2,987,808)	531,233
Net income (loss)	$ (514,899)				(601,448)					86,549
Dividends declared per common share (in USD per share)	$ 1.40
Dividends ($1.40 declared per common share)	$ (229,493)				(229,493)
Distributions to noncontrolling interest holders	(89,001)									(89,001)
Other comprehensive loss, net of tax	(1,312)						(1,312)
Issuance of common stock under incentive compensation plans				(26,938)					26,938
Equity-based compensation	31,654			29,460						2,194
Purchase of treasury stock	(7,642)								(7,642)
Purchase of HEP units for restricted grants	(1,032)									(1,032)
Contributions from noncontrolling interests	23,899									23,899
Other	603			603
Balance at end of period at Dec. 31, 2020	$ 5,722,203		$ 2,560	$ 4,207,672	$ 3,913,179		$ 13,462		$ (2,968,512)	$ 553,842