Consolidated Statement Of Equity - USD ($) $ in Millions	Total	Nustar	General Partner	General Partner Nustar	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income Nustar	Non- controlling Interests	Non- controlling Interests Nustar	Preferred Unitholders	Preferred Unitholders Nustar	Common Units	Common Units Nustar	Lotus Midstream Acquisition	Lotus Midstream Acquisition General Partner	Lotus Midstream Acquisition Accumulated Other Comprehensive Income	Lotus Midstream Acquisition Non- controlling Interests	Lotus Midstream Acquisition Preferred Unitholders	Lotus Midstream Acquisition Common Units	Crestwood Acquisition	Crestwood Acquisition General Partner	Crestwood Acquisition Accumulated Other Comprehensive Income	Crestwood Acquisition Non- controlling Interests	Crestwood Acquisition Preferred Unitholders	Crestwood Acquisition Common Units	WTG Midstream	WTG Midstream General Partner	WTG Midstream Accumulated Other Comprehensive Income	WTG Midstream Non- controlling Interests	WTG Midstream Preferred Unitholders	WTG Midstream Common Units	Nustar Acquisition	Nustar Acquisition General Partner	Nustar Acquisition Accumulated Other Comprehensive Income	Nustar Acquisition Non- controlling Interests	Nustar Acquisition Preferred Unitholders	Nustar Acquisition Common Units
Balance at Dec. 31, 2022	$ 40,659		$ (2)		$ 16		$ 7,634		$ 6,051		$ 26,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(4,248)		(3)		0		0		(468)		(3,777)
Distributions to noncontrolling interests	(1,691)		0		0		(1,691)		0		0
Capital contributions from noncontrolling interests	3		0		0		3		0		0
Other, net	30		0		0		12		0		18
Partners' Capital Account, Acquisitions	3,940												$ 574	$ 0	$ 0	$ 0	$ 0	$ 574	$ 3,366	$ 0	$ 0	$ 0	$ 413	$ 2,953
Other comprehensive income, net of tax	12		0		12		0		0		0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	5,234		3		0		1,299		463		3,469
Balance at Dec. 31, 2023	43,939		(2)		28		7,257		6,459		30,197
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(4,623)		(4)		0		0		(378)		(4,241)
Distributions to noncontrolling interests	(1,780)		0		0		(1,780)		0		0
Capital contributions from noncontrolling interests	638		0		0		638		0		0
Other, net	(64)		0		0		(76)		54		(42)
Partners' Capital Account, Acquisitions	833																								$ 833	$ 0	$ 0	$ 0	$ 0	$ 833	$ 3,651	$ 0	$ 0	$ 3,651	$ 0	$ 0
Common units repurchased	(2,645)	$ (784)	0	$ 0	0	$ 0	0	$ (784)	(2,645)	$ 0	0	$ 0
Partners' Capital Account, Exchanges and Conversions	301		0		0		301		0		0
Other comprehensive income, net of tax	45		0		45		0		0		0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	6,506		4		0		1,692		362		4,448
Balance at Dec. 31, 2024	46,017		(2)		73		10,899		3,852		31,195
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to partners	(4,725)		(4)		0		0		(252)		(4,469)
Distributions to noncontrolling interests	(1,734)		0		0		(1,734)		0		0
Capital contributions from noncontrolling interests	27		0		0		27		0		0
Other, net	71		0		(6)		46		8		23
Partners' Capital Account, Acquisitions	0																														$ 2,547	$ 0	$ 0	$ 2,547	$ 0	$ 0
Common units repurchased	(500)		0		0		0		(500)		0
Units issued	1,487		0		0		1,487		0		0
Partners' Capital Account, Exchanges and Conversions	164		0		0		164		0		0
Other comprehensive income, net of tax	15		0		15		0		0		0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Excluding Portion Attributable to Redeemable Noncontrolling Interest	5,641		4		0		1,208		248		4,181
Balance at Dec. 31, 2025	$ 49,010		$ (2)		$ 82		$ 14,644		$ 3,356		$ 30,930