Partners' Capital and Distributions - Distributions, Class A (Details) - Class A Shares - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Feb. 14, 2024	Jan. 08, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Partners Capital and Distribution [Line Items]
Percentage of available cash distributed (as a percent)			100.00%
Number of days after end of quarter within which distributions must be paid to shareholders (in days)			55 days
Cash Distribution
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners			$ 209	$ 162	$ 140
Cash distributions per Class A share (in dollars per share)			$ 1.0700	$ 0.8325	$ 0.7200
Fourth Quarter Distribution | Cash Distribution | Subsequent Event
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners	$ 63
Distributions per Class A share declared (in dollars per share)		$ 0.3175