Quarterly report [Sections 13 or 15(d)]

Net Income per Common Unit (Details)

v3.26.3
Net Income per Common Unit (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Oct. 23, 2026
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Net Income   $ 639 $ 1,161 $ 186 $ 506 $ 553 $ 641 $ 1,986 $ 1,700
Declared distributions [1]   579     520     1,571 1,542
Assumed allocation of undistributed net income [2]   $ 60     $ (14)     $ 415 $ 158
Weighted average basic number of common units outstanding - basic   484     484     484 484
Weighted average diluted number of common units outstanding - diluted   484     484     484 484
Basic net income per common unit [3]   $ 1.01     $ 0.80     $ 3.34 $ 2.79
Diluted net income per common unit [3]   $ 1.01     $ 0.80     $ 3.34 $ 2.79
Common Units [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Net Income   $ 626 1,138 182 $ 496 542 628    
Declared distributions [1]   431     402     $ 1,210 $ 1,196
Assumed allocation of undistributed net income [2]   59     (14)     407 155
Assumed allocation of net income   490     388     $ 1,617 $ 1,351
Weighted average basic number of common units outstanding - basic               484 484
Weighted average diluted number of common units outstanding - diluted               484 484
Basic net income per common unit               $ 3.34 $ 2.79
Diluted net income per common unit               $ 3.34 $ 2.79
Common Units [Member] | Subsequent Event [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 0.890                
Common Units [Member] | Base Amount [Member] | Subsequent Event [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Distribution Made to Limited Partner, Distributions Declared, Per Unit 0.775                
Common Units [Member] | Variable Amount [Member] | Subsequent Event [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 0.115                
General Partner [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Net Income   13 $ 23 $ 4 10 $ 11 $ 13    
Declared distributions [1]   12     10     $ 32 $ 31
Assumed allocation of undistributed net income [2]   1     0     8 3
Assumed allocation of net income   13     10     40 34
IDR [Member]                  
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                  
Declared distributions [1]   136     108     329 315
Assumed allocation of undistributed net income [2]   0     0     0 0
Assumed allocation of net income   $ 136     $ 108     $ 329 $ 315
[1] Represents distributions declared with respect to earnings of the respective period presented.
[2] Under our partnership agreement, the IDRs participate in net income only to the extent of the amount of cash distributions actually declared, thereby excluding the IDRs from participating in undistributed net income (loss).
[3] In computing basic and diluted net income per common unit, net income is reduced by the amount of undistributed net income allocated to participating securities other than common units, as required under the two-class method. See Note 11—Net Income per Common Unit.