XML 67 R53.htm IDEA: XBRL DOCUMENT v3.24.3
Capital Accounts, Issuances of Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2024
Sep. 30, 2023
Net Cash Proceeds from Sale of Common Units [Abstract]          
Common units issued in connection with the vesting of phantom unit awards, net (in units) 96,751 162,867 4,679,377    
Buyback Program:          
Total of common units repurchased under a buyback program (in units) 2,646,351 1,419,581 1,386,835    
Common units acquired in connection with buyback program $ 76     $ 156 $ 92
Long-Term Incentive Plan (2008) [Member]          
Net Cash Proceeds from Sale of Common Units [Abstract]          
Common units issued in connection with the vesting of phantom unit awards, net (in units)       4,938,995  
2019 Buyback Program [Member]          
Buyback Program:          
Amount authorized under 2019 Buyback Program 2,000     $ 2,000  
Remaining available capacity under the 2019 Buyback Program $ 926     $ 926  
Total of common units repurchased under a buyback program (in units) 2,646,351     5,452,767 3,592,710
Common units acquired in connection with buyback program $ 76     $ 156 $ 92
At-the-Market Registration [Member]          
Registration Statements and Equity Offerings [Line Items]          
Maximum common units authorized for issuance 2,500     2,500  
Remaining units available for issuance $ 2,500     2,500  
Employee Unit Purchase Plan [Member]          
Net Cash Proceeds from Sale of Common Units [Abstract]          
Employer contribution to EUPP       $ 3  
Distribution Reinvestment and Employee Unit Purchase Plans [Member]          
Net Cash Proceeds from Sale of Common Units [Abstract]          
Number of common units purchased on the open market and delivered to participants (in units)       4,971,186