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Segment Reporting (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest Expense, including discontinued operations |  |  |  |  |  |  |  |  | $ 245 | $ 189 | $ 88 |
Retail motor fuel |  |  |  |  |  |  |  |  | 1,577 | 1,338 | 1,540 |
Wholesale motor fuel sales to third parties |  |  |  |  |  |  |  |  | 9,278 | 7,812 | 10,104 |
Wholesale motor fuel sales to affiliates |  |  |  |  |  |  |  |  | 55 | 62 | 20 |
Merchandise | $ 142 | $ 151 | $ 147 | $ 131 | $ 133 | $ 142 | $ 138 | $ 128 | 571 | 541 | 544 |
Rental income |  |  |  |  |  |  |  |  | 89 | 88 | 81 |
Other |  |  |  |  |  |  |  |  | 153 | 145 | 141 |
Total revenues | 2,959 | 3,064 | 2,892 | 2,808 | 2,824 | 2,619 | 2,563 | 1,980 | 11,723 | 9,986 | 12,430 |
Retail motor fuel |  |  |  |  |  |  |  |  | 157 | 163 | 200 |
Wholesale motor fuel |  |  |  |  |  |  |  |  | 535 | 596 | 384 |
Merchandise gross profit | 45 | 49 | 48 | 43 | 44 | 46 | 46 | 42 | 185 | 178 | 179 |
Rental and other |  |  |  |  |  |  |  |  | 231 | 219 | 217 |
Gross profit | 277 | 316 | 259 | 256 | 296 | 282 | 308 | 270 | 1,108 | 1,156 | 980 |
Total operating expenses |  |  |  |  |  |  |  |  | 879 | 1,011 | 728 |
Operating income | 65 | 128 | (20) | 56 | (140) | 76 | 120 | 89 | 229 | 145 | 252 |
Interest expense, net |  |  |  |  |  |  |  |  | (209) | (161) | (67) |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 20 | (16) | 185 |
Net income (loss) and comprehensive income (loss) | 232 | $ 138 | $ (222) | $ 1 | (585) | $ 45 | $ 72 | $ 62 | 149 | (406) | 194 |
Depreciation, amortization and accretion |  |  |  |  |  |  |  |  | 169 | 176 | 150 |
Depreciation Amortization and Accretion, including discontinued operations |  |  |  |  |  |  |  |  | 203 | 319 | 278 |
Interest expense, net |  |  |  |  |  |  |  |  | 209 | 161 | 67 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (306) | (72) | 29 |
Income tax expense benefit, including discontinued operations |  |  |  |  |  |  |  |  | (258) | (31) | 52 |
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 326 | 56 | 156 |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (177) | (462) | 38 |
EBITDA |  |  |  |  |  |  |  |  | 339 | 71 | 612 |
Non-cash compensation expense |  |  |  |  |  |  |  |  | 24 | 13 | 8 |
Share based compensation, including discontinued operations |  |  |  |  |  |  |  |  | 24 | 13 | 8 |
Loss on disposal of assets and impairment charges (1) |  |  |  |  |  |  |  |  | 114 | 225 | 1 |
Gain Loss On Disposition Of Assets And Impairment Charges, including discontinued operations |  |  |  |  |  |  |  |  | (400) | (680) | 1 |
Unrealized gain on commodity derivatives |  |  |  |  |  |  |  |  | (3) | 5 | 2 |
Inventory fair value adjustments |  |  |  |  |  |  |  |  | (28) | (104) | 98 |
Adjusted EBITDA |  |  |  |  |  |  |  |  | 732 | 665 | 719 |
Capital expenditures |  |  |  |  |  |  |  |  | 103 | 119 | 178 |
Payment to acquire property,plant and equipment, including discontinued operations |  |  |  |  |  |  |  |  | 177 | 439 | 491 |
Total assets | 8,344 |  |  |  | 8,701 |  |  |  | 8,344 | 8,701 |  | $ 8,842
Operating Segments [Member] | Wholesale Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest Expense, including discontinued operations |  |  |  |  |  |  |  |  | 88 | 59 | 55 |
Retail motor fuel |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Wholesale motor fuel sales to third parties |  |  |  |  |  |  |  |  | 9,278 | 7,812 | 10,104 |
Wholesale motor fuel sales to affiliates |  |  |  |  |  |  |  |  | 55 | 62 | 20 |
Merchandise |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Rental income |  |  |  |  |  |  |  |  | 77 | 76 | 52 |
Other |  |  |  |  |  |  |  |  | 50 | 45 | 28 |
Intersegment sales |  |  |  |  |  |  |  |  | 1,472 | 1,195 | 1,407 |
Total revenues |  |  |  |  |  |  |  |  | 10,932 | 9,190 | 11,611 |
Retail motor fuel |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Wholesale motor fuel |  |  |  |  |  |  |  |  | 535 | 596 | 384 |
Merchandise gross profit |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Rental and other |  |  |  |  |  |  |  |  | 116 | 110 | 74 |
Gross profit |  |  |  |  |  |  |  |  | 651 | 706 | 458 |
Total operating expenses |  |  |  |  |  |  |  |  | 406 | 390 | 332 |
Operating income |  |  |  |  |  |  |  |  | 245 | 316 | 126 |
Interest expense, net |  |  |  |  |  |  |  |  | (88) | (59) | (54) |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 157 | 257 | 72 |
Net income (loss) and comprehensive income (loss) |  |  |  |  |  |  |  |  | 167 | 252 | 68 |
Depreciation Amortization and Accretion, including discontinued operations |  |  |  |  |  |  |  |  | 118 | 94 | 68 |
Interest expense, net |  |  |  |  |  |  |  |  | 88 | 59 | 54 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (10) | 5 | 4 |
Income tax expense benefit, including discontinued operations |  |  |  |  |  |  |  |  | (10) | 5 | 4 |
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 167 | 252 | 68 |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
EBITDA |  |  |  |  |  |  |  |  | 363 | 410 | 195 |
Share based compensation, including discontinued operations |  |  |  |  |  |  |  |  | 2 | 6 | 4 |
Gain Loss On Disposition Of Assets And Impairment Charges, including discontinued operations |  |  |  |  |  |  |  |  | (8) | 3 | (1) |
Unrealized gain on commodity derivatives |  |  |  |  |  |  |  |  | (3) | 5 | 2 |
Inventory fair value adjustments |  |  |  |  |  |  |  |  | (24) | (98) | 78 |
Adjusted EBITDA |  |  |  |  |  |  |  |  | 346 | 320 | 280 |
Payment to acquire property,plant and equipment, including discontinued operations |  |  |  |  |  |  |  |  | 71 | 112 | 65 |
Total assets | 3,130 |  |  |  | 3,201 |  |  |  | 3,130 | 3,201 |  | 2,926
Operating Segments [Member] | Retail Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest Expense, including discontinued operations |  |  |  |  |  |  |  |  | 157 | 130 | 33 |
Retail motor fuel |  |  |  |  |  |  |  |  | 1,577 | 1,338 | 1,540 |
Wholesale motor fuel sales to third parties |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Wholesale motor fuel sales to affiliates |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Merchandise |  |  |  |  |  |  |  |  | 571 | 541 | 544 |
Rental income |  |  |  |  |  |  |  |  | 12 | 12 | 29 |
Other |  |  |  |  |  |  |  |  | 103 | 100 | 113 |
Intersegment sales |  |  |  |  |  |  |  |  | 125 | 133 | 124 |
Total revenues |  |  |  |  |  |  |  |  | 2,388 | 2,124 | 2,350 |
Retail motor fuel |  |  |  |  |  |  |  |  | 157 | 163 | 200 |
Wholesale motor fuel |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Merchandise gross profit |  |  |  |  |  |  |  |  | 185 | 178 | 179 |
Rental and other |  |  |  |  |  |  |  |  | 115 | 109 | 143 |
Gross profit |  |  |  |  |  |  |  |  | 457 | 450 | 522 |
Total operating expenses |  |  |  |  |  |  |  |  | 473 | 621 | 396 |
Operating income |  |  |  |  |  |  |  |  | (16) | (171) | 126 |
Interest expense, net |  |  |  |  |  |  |  |  | (121) | (102) | (13) |
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | (137) | (273) | 113 |
Net income (loss) and comprehensive income (loss) |  |  |  |  |  |  |  |  | (18) | (658) | 126 |
Depreciation Amortization and Accretion, including discontinued operations |  |  |  |  |  |  |  |  | 85 | 225 | 210 |
Interest expense, net |  |  |  |  |  |  |  |  | 121 | 102 | 13 |
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (296) | (77) | 25 |
Income tax expense benefit, including discontinued operations |  |  |  |  |  |  |  |  | (248) | (36) | 48 |
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 159 | (196) | 88 |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (177) | (462) | 38 |
EBITDA |  |  |  |  |  |  |  |  | (24) | (339) | 417 |
Share based compensation, including discontinued operations |  |  |  |  |  |  |  |  | 22 | 7 | 4 |
Gain Loss On Disposition Of Assets And Impairment Charges, including discontinued operations |  |  |  |  |  |  |  |  | (392) | (683) | 2 |
Unrealized gain on commodity derivatives |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Inventory fair value adjustments |  |  |  |  |  |  |  |  | (4) | (6) | 20 |
Adjusted EBITDA |  |  |  |  |  |  |  |  | 386 | 345 | 439 |
Payment to acquire property,plant and equipment, including discontinued operations |  |  |  |  |  |  |  |  | 106 | 327 | 426 |
Total assets | $ 5,214 |  |  |  | $ 5,500 |  |  |  | 5,214 | 5,500 |  | $ 5,916
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intersegment sales |  |  |  |  |  |  |  |  | (1,597) | (1,328) | (1,531) |
Total revenues |  |  |  |  |  |  |  |  | $ (1,597) | $ (1,328) | $ (1,531) |

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