Quarterly report [Sections 13 or 15(d)]

Net Income per Common Unit (Details)

v3.26.1
Net Income per Common Unit (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 28, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]              
Net Income   $ 1,161 $ 186 $ 553 $ 641 $ 1,347 $ 1,194
Declared distributions [1]   511   511   992 1,021
Assumed allocation of undistributed net income [2]   $ 650   $ 42   $ 355 $ 173
Weighted average units outstanding   484   484   484 484
Basic and diluted net income per unit [3]   $ 2.14   $ 0.91   $ 2.33 $ 1.99
Common Units [Member]              
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]              
Net Income   $ 1,138 182 $ 542 628    
Declared distributions [1]   397   397   $ 779 $ 794
Assumed allocation of undistributed net income [2]   637   42   348 169
Assumed allocation of net income   1,034   439   $ 1,127 $ 963
Weighted average units outstanding           484 484
Basic and diluted net income per unit           $ 2.33 $ 1.99
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 $ 0.820            
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 $ 0.045            
General Partner [Member]              
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]              
Net Income   23 $ 4 11 $ 13    
Declared distributions [1]   10   10   $ 20 $ 20
Assumed allocation of undistributed net income [2]   13   1   7 3
Assumed allocation of net income   23   11   27 23
IDR [Member]              
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]              
Declared distributions [1]   104   104   193 207
Assumed allocation of undistributed net income [2]   0   0   0 0
Assumed allocation of net income   $ 104   $ 104   $ 193 $ 207
[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.