Debt and Finance Lease Obligations, Credit Facilities (Details)		Dec. 31, 2023 USD ($)		Nov. 30, 2023 CAD ($)	Jun. 30, 2023 USD ($)	May 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Valero Revolver [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		$ 4,000,000,000
Outstanding borrowings, long term		0
Availability		3,996,000,000
Credit Facilities (Textual)
Facility amount		4,000,000,000
Option to increase aggregate commitments under line of credit facility, increase limit, subject to certain restrictions		5,500,000,000
Outstanding borrowings, long term		0
Valero Revolver Letter of Credit [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		2,400,000,000
Letters of credit issued	[1]	4,000,000
Credit Facilities (Textual)
Facility amount		2,400,000,000
Canadian Revolver [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount				$ 150,000,000
Credit Facilities (Textual)
Facility amount				$ 150,000,000
Accounts Receivable Sales Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		1,300,000,000
Outstanding borrowings, short-term		0
Availability		1,300,000,000
Credit Facilities (Textual)
Facility amount		1,300,000,000
Designated pool of accounts receivable		2,600,000,000					$ 3,000,000,000
DGD Revolver [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount		400,000,000	[2]					$ 400,000,000
Outstanding borrowings, long term	[2]	250,000,000
Availability	[2]	96,000,000
Credit Facilities (Textual)
Facility amount		$ 400,000,000	[2]					$ 400,000,000
Option to increase aggregate commitments under line of credit facility, increase limit, subject to certain restrictions					$ 550,000,000
Interest rate at period end (percent)		7.201%					5.88%
Outstanding borrowings, long term	[2]	$ 250,000,000
DGD Revolver Letter of Credit [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount					150,000,000
Letters of credit issued	[1],[2]	54,000,000
Credit Facilities (Textual)
Facility amount					150,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Darling Ingredients Inc. [Member]
Line of Credit Facility
Facility amount						$ 25,000,000
Credit Facilities (Textual)
Facility amount						25,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount						50,000,000
Credit Facilities (Textual)
Facility amount						50,000,000
Interest rate at period end (percent)							6.672%
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Valero Energy Corporation [Member]
Line of Credit Facility
Facility amount						25,000,000
Credit Facilities (Textual)
Facility amount						$ 25,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Darling Ingredients Inc. [Member]
Line of Credit Facility
Facility amount					100,000,000
Credit Facilities (Textual)
Facility amount					100,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount					200,000,000
Credit Facilities (Textual)
Facility amount					200,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Valero Energy Corporation [Member]
Line of Credit Facility
Facility amount		100,000,000	[2],[3]		100,000,000
Outstanding borrowings, long term	[2],[3]	0
Availability	[2],[3]	100,000,000
Credit Facilities (Textual)
Facility amount		100,000,000	[2],[3]		$ 100,000,000
Outstanding borrowings, long term	[2],[3]	0
IEnova Revolver [Member] | Credit Facilities [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount	[2]	830,000,000
Outstanding borrowings, long term	[2]	766,000,000
Availability	[2]	64,000,000
Credit Facilities (Textual)
Facility amount	[2]	$ 830,000,000
Interest rate at period end (percent)		9.245%					7.393%
Outstanding borrowings, long term	[2]	$ 766,000,000
Uncommitted Letter of Credit Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Letters of credit issued	[1]	$ 0

[1] Letters of credit issued as of December 31, 2023 expire at various times in 2024 through 2026.

[2] Creditors of the VIEs do not have recourse against us.

[3] The amounts shown for this facility represent the facility amount available from, and borrowings outstanding to, the noncontrolling member as any transactions between DGD and us under this facility are eliminated in consolidation.