Revenue from contracts with customers transaction price allocated to significant unsatisfied remaining performance obligations and timing of when performance obligations expected to be satisfied (Detail 1) $ in Millions |
Jun. 30, 2025
USD ($)
|
|---|---|
| Electricity and Natural Gas [Member] | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Transaction price allocated to remaining performance obligations | $ 22,128 |
| Other Sales and Service Contracts [Member] | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Transaction price allocated to remaining performance obligations | $ 8,161 |