Other Income and Expense - Other Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Schedule of other expense [Line Items] | ||||
| Other Expenses | $ 27 | $ 295 | $ 85 | $ 347 |
| Income Statement Location [Axis]: us-gaap:OtherExpenses | ||||
| Schedule of other expense [Line Items] | ||||
| Sales-type and Direct Financing Leases, Profit (Loss) | 0 | 199 | 44 | 208 |
| Gain (Loss) Related to Litigation Settlement | 4 | 2 | 4 | 2 |
| Other Nonoperating Expense | 3 | 34 | 8 | 35 |
| Other Expenses | 27 | 295 | 85 | 347 |
| Gain (Loss) on Disposition of Other Assets | 4 | 5 | 5 | 8 |
| Income Statement Location [Axis]: us-gaap:OtherIncome | ||||
| Schedule of other expense [Line Items] | ||||
| Asset Acquisition of a VIE, Contingent Consideration, Remeasurement Gain | 18 | 23 | 20 | 24 |
| Allowance for Funds Used During Construction, Capitalized Interest | 3 | 0 | 5 | 1 |
| Gain (Loss) on Disposition of Other Assets | $ 1 | $ 1 | $ 3 | $ 1 |