Consolidated Statement of Equity - USD ($) $ in Millions	Total	Parkland Acquisition	Common Units [Member]	Common Units [Member] Parkland Acquisition	Noncontrolling Interest	Noncontrolling Interest Parkland Acquisition	AOCI Attributable to Parent	AOCI Attributable to Parent Parkland Acquisition	Class D Unitholders	Class D Unitholders Parkland Acquisition	Series A preferred Unitholders	Series A preferred Unitholders Parkland Acquisition
Partners' Capital	$ 942		$ 942		$ 0		$ 0		$ 0		$ 0
Cash distributions to unitholders, including incentive distributions	(371)		(371)		0		0		0		0
Other	(4)		(4)		0		0		0		0
Net income (loss) and comprehensive income (loss)	394		394		0		0		0		0
Unit-based compensation	17		17		0		0		0		0
Other Comprehensive Income (Loss), Net of Tax	0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	0
Partners' Capital	978		978		0		0		0		0
Cash distributions to unitholders, including incentive distributions	(574)		(566)		(8)		0		0		0
Other	(13)		(13)		0		0		0		0
Net income (loss) and comprehensive income (loss)	874		866		8		0		0		0
Unit-based compensation	17		17		0		0		0		0
Other Comprehensive Income (Loss), Net of Tax	2		0		0		2		0		0
Partners' Capital Account, Acquisitions	3,651		2,850		801		0		0		0
Redemption of preferred units	(784)		17		(801)		0		0		0
Partners' Capital Account, Units, Contributed	(83)		(83)		0		0		0		0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	8
Partners' Capital	4,068		4,066		0		2		0		0
Cash distributions to unitholders, including incentive distributions	(657)		(657)		0		0		0		0
Other	16		22		0		(6)		0		0
Net income (loss) and comprehensive income (loss)	527		502		0		0		(9)		34
Unit-based compensation	19		19		0		0		0		0
Other Comprehensive Income (Loss), Net of Tax	(2)		0		0		(2)		0		0
Partners' Capital Account, Acquisitions	18	$ 2,547	18	$ 0	0	$ 0	0	$ 0	0	$ 2,547	0	$ 0
Partners' Capital Account, Private Placement of Units	1,473		0		0		0		0		1,473
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	0
Partners' Capital	$ 8,009		$ 3,970		$ 0		$ (6)		$ 2,538		$ 1,507