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.