Consolidated Statements of Cash Flows Parenthetical - USD ($) $ in Millions  | 
9 Months Ended | |
|---|---|---|
Sep. 30, 2025  | 
Sep. 30, 2024  | 
|
| Cash flows from investing activities | ||
| Property, Plant And Equipment, Reduction For Testing Costs Recovered, Collected Portion | $ 94 | $ 0 | 
| X | ||||||||||
- Definition Property, Plant And Equipment, Reduction For Testing Costs Recovered, Collected Portion No definition available. 
  | 
| X | ||||||||||
- References No definition available. 
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