Description of the Business and Basis of Presentation (Details)		12 Months Ended
	Apr. 01, 2020 shares	Dec. 31, 2021 segment shares	May 01, 2021	Apr. 30, 2021	Dec. 31, 2020 shares
Schedule of Equity Method Investments [Line Items]
Common units (in units)	393,289,537
Number of segments | segment		1
Shell Pipeline Company L P
Schedule of Equity Method Investments [Line Items]
Unit distribution (in units)		50,782,904			50,782,904
Pecten Midstream LLC (“Pecten”)
Schedule of Equity Method Investments [Line Items]
Ownership		100.00%
Sand Dollar Pipeline LLC (“Sand Dollar”)
Schedule of Equity Method Investments [Line Items]
Ownership		100.00%
Triton West LLC (“Triton”)
Schedule of Equity Method Investments [Line Items]
Ownership		100.00%
Zydeco Pipeline Company LLC (“Zydeco”)
Schedule of Equity Method Investments [Line Items]
Ownership		100.00%
Mattox Pipeline Company LLC (“Mattox”)
Schedule of Equity Method Investments [Line Items]
Ownership		79.00%
Amberjack Pipeline Company LLC - Series A
Schedule of Equity Method Investments [Line Items]
Ownership		75.00%			75.00%
Amberjack Pipeline Company LLC - Series B
Schedule of Equity Method Investments [Line Items]
Ownership		50.00%			50.00%
Mars Oil Pipeline Company LLC (“Mars”)
Schedule of Equity Method Investments [Line Items]
Ownership		71.50%			71.50%
Odyssey Pipeline L.L.C. (“Odyssey”)
Schedule of Equity Method Investments [Line Items]
Ownership		71.00%
Bengal Pipeline Company LLC (“Bengal”)
Schedule of Equity Method Investments [Line Items]
Ownership		50.00%			50.00%
Crestwood Permian Basin LLC (“Permian Basin”)
Schedule of Equity Method Investments [Line Items]
Ownership		50.00%
LOCAP LLC (“LOCAP”)
Schedule of Equity Method Investments [Line Items]
Ownership		41.48%			41.48%
Explorer Pipeline Company (“Explorer”)
Schedule of Equity Method Investments [Line Items]
Ownership		38.59%			38.59%
Poseidon Oil Pipeline Company, L.L.C. (“Poseidon”)
Schedule of Equity Method Investments [Line Items]
Ownership		36.00%			36.00%
Colonial Enterprises, Inc. (“Colonial”)
Schedule of Equity Method Investments [Line Items]
Ownership		16.125%			16.125%
Proteus Oil Pipeline Company, LLC (“Proteus”)
Schedule of Equity Method Investments [Line Items]
Ownership		10.00%			10.00%
Endymion Oil Pipeline Company, LLC (“Endymion”)
Schedule of Equity Method Investments [Line Items]
Ownership		10.00%			10.00%
Cleopatra Gas Gathering Company, LLC (“Cleopatra”)
Schedule of Equity Method Investments [Line Items]
Ownership		1.00%
Limited Partner | Partnership Interests Restructuring Agreement | Series A Perpetual Convertible Preferred Units
Schedule of Equity Method Investments [Line Items]
Unit distribution (in units)	50,782,904
Shell Pipeline Company L P | Limited Partner
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)	68.50%
Common units (in units)	269,457,304
Shell Pipeline Company L P | Limited Partner | Common Units And Series A Perpetual Convertible Preferred Units
Schedule of Equity Method Investments [Line Items]
Ownership interest (in percentage)		72.00%
Zydeco Pipeline Company LLC (“Zydeco”) | Triton West LLC (“Triton”) | Shell Pipeline Company L P
Schedule of Equity Method Investments [Line Items]
Ownership percentage transferred			7.50%
Zydeco Pipeline Company LLC (“Zydeco”) | Zydeco Pipeline Company LLC (“Zydeco”)
Schedule of Equity Method Investments [Line Items]
Ownership				92.50%
Zydeco Pipeline Company LLC (“Zydeco”) | Zydeco Pipeline Company LLC (“Zydeco”) | Shell Pipeline Company L P
Schedule of Equity Method Investments [Line Items]
Shell's retained ownership				7.50%
Ownership percentage transferred			7.50%