Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019		Sep. 30, 2018
Revenues:
Revenues	$ 4,331	$ 4,761	$ 12,498		$ 13,117
Cost of sales and operating expenses:
Cost of sales	4,039	4,428	11,567		12,178
General and administrative	40	34	101		103
Other operating	79	86	236		270
Lease expense	15	20	45		54
Loss (gain) on disposal of assets and impairment charges	(4)	(8)	46	[1]	(3)
Depreciation, amortization and accretion	45	42	137	[1]	132
Total cost of sales and operating expenses	4,214	4,602	12,132		12,734
Operating income	117	159	366		383
Interest expense, net	45	35	130	[1]	105
Loss on extinguishment of debt and other, net	0	0	(3)	[1]	109
Income from continuing operations before income taxes	72	124	239		169
Income tax expense	6	10	9	[1]	39
Income from continuing operations	66	114	230		130
Loss from discontinued operations, net of income taxes	0	(2)	0		(265)
Net income (loss) and comprehensive income (loss)	$ 66	$ 112	$ 230		$ (135)
Net income (loss) per common unit - basic:
Continuing operations - common units	$ 0.57	$ 1.16	$ 2.09		$ 0.84
Discontinued operations - common units	0.00	(0.03)	0.00		(3.12)
Net income (loss) - common units	0.57	1.13	2.09		(2.28)
Net income (loss) per common unit - diluted:
Continuing operations - common units	0.57	1.15	2.07		0.83
Discontinued operations - common units	0.00	(0.03)	0.00		(3.12)
Net income (loss) - common units	$ 0.57	$ 1.12	$ 2.07		$ (2.29)
Weighted average limited partner units outstanding:
Common units - basic	82,749,644	82,506,279	82,734,526		84,891,853
Common units - diluted	83,649,898	83,084,713	83,512,121		85,373,976
Cash distributions per unit	$ 0.8255	$ 0.8255	$ 2.4765		$ 2.4765
Common Units [Member]
Net income (loss) per common unit - basic:
Continuing operations - common units	0.57	1.16	2.09		0.84
Discontinued operations - common units	$ 0.00	$ (0.03)	$ 0.00		$ (3.12)
Weighted average limited partner units outstanding:
Common units - basic	82,749,644	82,506,279	82,734,526		84,891,853
Common units - diluted	83,649,898	83,084,713	83,512,121		85,373,976
Motor Fuels [Member]
Revenues:
Revenues	$ 4,225	$ 4,662	$ 12,174		$ 12,720
Non Motor Fuel Sales [Member]
Revenues:
Revenues	69	64	217		306
Leases [Member]
Revenues:
Revenues	37	35	107		91
Continuing Operations [Member]
Cost of sales and operating expenses:
Interest expense, net	$ 45	$ 35	$ 130		$ 105

[1] Includes amounts from discontinued operations for the nine months ended September 30, 2018.