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Distribution Payable, Number Of Consecutive Quarters

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Distribution To Holders Of Incentive Distribution Rights Waived

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Distributions Payable, Amount Waved

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Noncontrolling Interest, Ownership Percentage Transferred

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Number Of Days Within Combined Tax Filing Submission

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Number of revolving credit facilities.

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Trademarks Agreement, Termination Notice Period

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of cost for defined contribution plan.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits.

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- Definition

Amount paid to managing member or general partner, affiliate of managing member or general partner, or affiliate of limited liability company (LLC) or limited partnership (LP) for administrative services provided to the LLC or LP, for example, but not limited to, salaries, rent, or overhead costs.

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Related Party Transactions - Narrative (Details) $ in Millions											3 Months Ended			12 Months Ended
	May 01, 2021 USD ($)	Mar. 23, 2021	Mar. 16, 2021	Jun. 06, 2019	Jun. 04, 2019	Feb. 01, 2019	Aug. 01, 2018	Jul. 31, 2018	Dec. 01, 2017	Nov. 03, 2014 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) facility	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 01, 2020 USD ($) quarter
Related Party Transaction [Line Items]
Payments to acquire productive assets														$ 11	$ 27	$ 38
Number of days within combined tax filing submission														15 days
Distribution to holders of incentive distribution rights waived											$ 16	$ 17	$ 17			50
Debt instrument term		5 years
Health and life insurance costs														$ 5	5	6
Defined contribution benefit costs														2	2	2
Severance costs														$ 0	$ 7	$ 0
2021 Ten Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term		10 years	10 years
Revolving Credit Facility \| 2021 Ten Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term			10 years											10 years
Revolving Credit Facility \| Ten Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term				10 years	10 years									10 years
Revolving Credit Facility \| Seven Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term								7 years						7 years
Revolving Credit Facility \| Five Year Revolver due July 2023
Related Party Transaction [Line Items]
Debt instrument term							5 years							5 years
Revolving Credit Facility \| Five Year Revolver due December 2022
Related Party Transaction [Line Items]
Debt instrument term									5 years					5 years
Shell Treasury Center West Inc
Related Party Transaction [Line Items]
Number of revolving credit facilities \| facility														5
Shell Treasury Center West Inc \| Revolving Credit Facility \| 2021 Ten Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term														10 years
Shell Treasury Center West Inc \| Revolving Credit Facility \| Ten Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term														10 years
Shell Treasury Center West Inc \| Revolving Credit Facility \| Seven Year Fixed Facility
Related Party Transaction [Line Items]
Debt instrument term														7 years
Shell Treasury Center West Inc \| Revolving Credit Facility \| Five Year Revolver due July 2023
Related Party Transaction [Line Items]
Debt instrument term														5 years
Shell Treasury Center West Inc \| Revolving Credit Facility \| Five Year Revolver due December 2022
Related Party Transaction [Line Items]
Debt instrument term														5 years
Purchase And Sale Agreement \| Mattox Pipeline Company LLC (“Mattox”)
Related Party Transaction [Line Items]
Equity method investment, ownership interest acquired																	79.00%
Trade Marks License Agreement
Related Party Transaction [Line Items]
Trademarks agreement, termination notice period						360 days
Shell Pipeline Company L P \| Omnibus Agreement
Related Party Transaction [Line Items]
Payment of general and administrative fee										$ 10
Shell Pipeline Company L P \| Zydeco Pipeline Company LLC (“Zydeco”)
Related Party Transaction [Line Items]
Noncontrolling interest															7.50%	7.50%
Zydeco Pipeline Company LLC (“Zydeco”) \| Shell Pipeline Company L P \| Triton West LLC (“Triton”)
Related Party Transaction [Line Items]
Payments to acquire productive assets	$ 10
Ownership percentage transferred	7.50%
Zydeco Pipeline Company LLC (“Zydeco”) \| Shell Pipeline Company L P \| Zydeco Pipeline Company LLC (“Zydeco”)
Related Party Transaction [Line Items]
Ownership percentage transferred	7.50%
GEL Offshore Pipeline LLC \| Odyssey Pipeline L.L.C. (“Odyssey”)
Related Party Transaction [Line Items]
Noncontrolling interest														29.00%	29.00%	29.00%
General Partner SPLC \| Partnership Interests Restructuring Agreement
Related Party Transaction [Line Items]
Distributions payable, amount waved																	$ 20
Distribution payable, number of consecutive quarters \| quarter																	4
General Partner SPLC \| Economic Interest
Related Party Transaction [Line Items]
Noncontrolling interest														2.00%			2.00%