Debt and Finance Lease Obligations, Credit Facilities (Details)		12 Months Ended
		Dec. 31, 2021 USD ($)		Apr. 12, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 CAD ($)	Nov. 30, 2021 CAD ($)	Sep. 30, 2021 USD ($)	Jul. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Apr. 30, 2020 USD ($)
Valero Revolver [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		$ 4,000,000,000
Outstanding borrowings or letters of credit issued		0
Availability		3,712,000,000
Valero Revolver Letter of Credit [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		2,400,000,000
Outstanding borrowings or letters of credit issued	[1]	288,000,000
Canadian Revolver [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount							$ 150,000,000	$ 150,000,000
Outstanding borrowings or letters of credit issued, short-term							0
Availability							145,000,000
Canadian Revolver Letter of Credit [Member] | Credit Facilities [Member]
Line of Credit Facility
Outstanding borrowings or letters of credit issued, short-term	[1]						$ 5,000,000
Accounts Receivable Sales Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		1,300,000,000								$ 1,300,000,000	$ 1,000,000,000
Outstanding borrowings or letters of credit issued, short-term		0
Availability		1,300,000,000
Credit Facilities (Textual)
Designated pool of accounts receivable		2,800,000,000			$ 1,400,000,000
Borrowings, short-term credit facilities		0			300,000,000	$ 900,000,000
364-Day Revolving Credit Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount													$ 875,000,000
Credit Facilities (Textual)
Borrowings, short-term credit facilities				$ 0
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 or letters of credit issued	[2]	100,000,000
Availability	[2]	$ 300,000,000
Credit Facilities (Textual)
Option to increase aggregate commitments under line of credit facility, increase limit, subject to certain restrictions												550,000,000
Interest rate of credit facility at period end (percent)		1.86%					1.86%
DGD Revolver Letter of Credit [Member] | Credit Facilities [Member] | DGD [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount									$ 50,000,000			$ 10,000,000
Outstanding borrowings or letters of credit issued	[1],[2]	$ 0
Credit Facilities (Textual)
Debt instrument, covenant, indebtedness limitation									$ 25,000,000
DGD Loan Agreement [Member] | Credit Facilities [Member] | DGD [Member] | Darling Ingredients Inc. [Member]
Line of Credit Facility
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)
Borrowings, short-term credit facilities		$ 25,000,000			0	0
Interest rate of credit facility at period end (percent)		2.603%					2.603%
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	[2],[3]	$ 25,000,000
Outstanding borrowings or letters of credit issued, short-term	[2],[3]	25,000,000
Availability	[2],[3]	0
IEnova Revolver [Member] | Credit Facilities [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Outstanding borrowings or letters of credit issued, short-term	[2]	679,000,000
Credit Facilities (Textual)
Borrowings, short-term credit facilities		$ 81,000,000			$ 250,000,000	239,000,000
Interest rate of credit facility at period end (percent)		3.781%			3.87%		3.781%
IEnova Revolver [Member] | Credit Facilities [Member] | Central Mexico Terminals [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Line of Credit Facility
Facility amount		$ 830,000,000	[2]		$ 660,000,000	$ 491,000,000
Availability	[2]	151,000,000
Committed Letter of Credit Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Facility amount		50,000,000
Outstanding borrowings or letters of credit issued, short-term	[1]	0
Availability		50,000,000
Uncommitted Letter of Credit Facility [Member] | Credit Facilities [Member]
Line of Credit Facility
Outstanding borrowings or letters of credit issued, short-term	[1]	$ 331,000,000

[1] Letters of credit issued as of December 31, 2021 expire at various times in 2022 through 2023.

[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.