Equity (Cash Distributions) (Details) - USD ($) $ / shares in Units, $ in Millions |
9 Months Ended | |||||
|---|---|---|---|---|---|---|
Nov. 19, 2025 |
Aug. 19, 2025 |
May 20, 2025 |
Feb. 19, 2025 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Distribution Made To Managing Member Or General Partner [Line Items] | ||||||
| Per Unit Distribution (in dollars per unit) | $ 0.9088 | $ 0.8976 | $ 0.8865 | |||
| Total Cash Distribution | $ 124 | $ 122 | $ 121 | $ 488 | $ 406 | |
| General Partner | ||||||
| Distribution Made To Managing Member Or General Partner [Line Items] | ||||||
| Total Cash Distribution | $ 41 | $ 39 | $ 37 | |||
| Subsequent Event [Member] | ||||||
| Distribution Made To Managing Member Or General Partner [Line Items] | ||||||
| Per Unit Distribution (in dollars per unit) | $ 0.9202 | |||||
| Total Cash Distribution | $ 126 | |||||
| Subsequent Event [Member] | General Partner | ||||||
| Distribution Made To Managing Member Or General Partner [Line Items] | ||||||
| Total Cash Distribution | $ 42 | |||||