Partners' Capital and Distributions - Preferred Unit Distributions (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Feb. 15, 2024	Feb. 14, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Series A Preferred Units | Other current liabilities
Partners Capital and Distribution [Line Items]
Distributions payable			$ 44
Series B Preferred Units | Other current liabilities
Partners Capital and Distribution [Line Items]
Distributions payable			10
Cash Distribution | Series A Preferred Units
Partners Capital and Distribution [Line Items]
Cash distribution			$ 166	$ 149	$ 149
Distribution per unit (in dollars per unit)			$ 2.34	$ 2.10	$ 2.10
Cash Distribution | Series A Preferred Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Cash distribution		$ 44
Cash Distribution | Series B Preferred Units
Partners Capital and Distribution [Line Items]
Cash distribution			$ 75	$ 49	$ 49
Distribution per unit (in dollars per unit)			$ 93.43	$ 61.25	$ 61.25
Cash Distribution | Series B Preferred Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Cash distribution	$ 20
Distribution per unit (in dollars per unit)	$ 24.92