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Accrued Expenses and Other Long-Term Liabilities (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accrued Expenses |  |  |
Operating lease liabilities, current |  | $ 315,000,000 | $ 285,000,000
Defined benefit plan liabilities, current |  | 41,000,000 | 45,000,000
Environmental liabilities, current |  | 35,000,000 | 59,000,000
Wage and other employee-related liabilities, current |  | 349,000,000 | 210,000,000
Accrued interest expense, current |  | 88,000,000 | 99,000,000
Contract liabilities from contracts with customers, current |  | 78,000,000 | 55,000,000
Blending program obligations, current |  | 268,000,000 | 159,000,000
Other accrued liabilities, current |  | 79,000,000 | 82,000,000
Accrued expenses |  | 1,253,000,000 | 994,000,000
Other Long-Term Liabilities |  |  |
Operating lease liabilities, noncurrent |  | 940,000,000 | 885,000,000
Liability for unrecognized tax benefits, noncurrent |  | 863,000,000 | 859,000,000
Defined benefit plan liabilities, noncurrent |  | 601,000,000 | 878,000,000
Repatriation tax liability, noncurrent | [1] | 367,000,000 | 422,000,000
Environmental liabilities, noncurrent |  | 269,000,000 | 272,000,000
Wage and other employee-related liabilities, noncurrent |  | 133,000,000 | 124,000,000
Other accrued liabilities, noncurrent |  | 231,000,000 | 180,000,000
Other long-term liabilities |  | 3,404,000,000 | 3,620,000,000
Accrued Expenses and Other Long-Term Liabilities (Textual) |  |  |
Current portion of repatriation tax liability, included in income taxes payable |  | $ 0 | $ 54,000,000
[1] | The current portion of repatriation tax liability is included in income taxes payable. There was no current portion of repatriation tax liability as of December 31, 2021, as it was deemed paid in connection with the additional tax net operating loss (NOL) carryback on the superseding 2020 federal income tax return filed in the fourth quarter of 2021. As of December 31, 2020, the current portion of repatriation tax liability was $54 million.

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