Income Taxes - EGTS - Narrative (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Schedule of Effective Income Tax Rate Reconciliation [Line Items] | |||
| Related party transaction, cash received (paid) for income taxes | $ 1,393 | $ 803 | |
| EGTS | |||
| Schedule of Effective Income Tax Rate Reconciliation [Line Items] | |||
| Related party transaction, cash received (paid) for income taxes | 29 | $ 24 | |
| EGTS | Related party | |||
| Schedule of Effective Income Tax Rate Reconciliation [Line Items] | |||
| Current income tax receivable (payable), related parties | $ 8 | $ (11) | |