Divestitures (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Aug. 01, 2024 |
Sep. 29, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Business Acquisition [Line Items] | ||||||
| Proceeds from dispositions of equity-method investments (Note 3) | $ 161 | $ 0 | ||||
| Equity Method Investment, Realized Gain (Loss) on Disposal | 149 | 0 | ||||
| Gain (Loss) on Disposition of Business | $ 0 | $ 130 | $ 0 | $ 130 | ||
| Northeast G And P [Member] | Aux Sable Liquid Products Inc And Aux Sable Liquid Products LP And Aux Sable Midstream LLC | ||||||
| Business Acquisition [Line Items] | ||||||
| Proceeds from dispositions of equity-method investments (Note 3) | $ 161 | |||||
| Equity Method Investment, Realized Gain (Loss) on Disposal | $ 149 | |||||
| Transmission And Gulf Of Mexico [Member] | Certain Gulf Coast Liquids Pipelines | ||||||
| Business Acquisition [Line Items] | ||||||
| Disposal Group, Consideration | $ 348 | |||||
| Gain (Loss) on Disposition of Business | $ 130 | |||||