Members' Equity - Components to Compute Basic and Diluted Earnings per Unit (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Weighted average basic common units outstanding (in shares)	459.3	477.2	464.1	481.0
Dilutive effect of unvested restricted units (in shares)	4.6	7.2	4.3	6.9
Total weighted average diluted common units outstanding (in shares)	463.9	484.4	468.4	487.9