Derivatives and Risk Management Activities - Net Unrealized Gain/(Loss) Recognized in AOCI (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Other current assets | |||||
| Derivatives, Fair Value [Line Items] | |||||
| Interest rate cash flow hedge derivative at fair value, net | $ 29 | $ 29 | |||
| Other long-term assets, net | |||||
| Derivatives, Fair Value [Line Items] | |||||
| Interest rate cash flow hedge derivative at fair value, net | $ 27 | ||||
| Interest rate derivatives | |||||
| Derivatives, Fair Value [Line Items] | |||||
| Interest rate derivatives, net | $ 4 | $ (9) | $ 9 | $ 9 | |