Partners' Capital and Distributions - Activity for Series A and B Preferred Units and Common Units (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Series A Preferred Units
Activity for preferred units and common units
Outstanding, beginning of period (in units)	71,090,468	71,090,468	71,090,468
Outstanding, end of period (in units)	71,090,468	71,090,468	71,090,468
Series B Preferred Units
Activity for preferred units and common units
Outstanding, beginning of period (in units)	800,000	800,000	800,000
Outstanding, end of period (in units)	800,000	800,000	800,000
Common Units
Activity for preferred units and common units
Outstanding, beginning of period (in units)	698,354,498	704,991,540	722,380,416
Repurchase and cancellation of common units under the Common Equity Repurchase Program (in units)		(7,251,361)	(18,061,583)
Issuance of common units under equity-indexed compensation plans (in units)	2,654,251	614,319	672,707
Outstanding, end of period (in units)	701,008,749	698,354,498	704,991,540