| Accounts receivable, net |
| | | | | | | | | | | | | | | | (Millions of Dollars) | | Sept. 30, 2026 | | Dec. 31, 2025 | | Accounts receivable, net | | | | | | Accounts receivable | | $ | 1,483 | | | $ | 1,419 | | | Less allowance for bad debts | | (92) | | | (89) | | | Accounts receivable, net | | $ | 1,391 | | | $ | 1,330 | |
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| Property, plant and equipment, net |
| | | | | | | | | | | | | | | | (Millions of Dollars) | | Sept. 30, 2026 | | Dec. 31, 2025 | | Property, plant and equipment, net | | | | | | Electric plant | | $ | 65,455 | | | $ | 61,892 | | | Natural gas plant | | 11,007 | | | 10,517 | | | Common and other property | | 4,001 | | | 3,790 | | Plant to be retired (a) | | 1,525 | | | 1,595 | | | Construction work in progress | | 11,943 | | | 8,085 | | | Total property, plant and equipment | | 93,931 | | | 85,879 | | | Less accumulated depreciation | | (22,199) | | | (20,710) | | | Nuclear fuel | | 3,747 | | | 3,678 | | | Less accumulated amortization | | (3,298) | | | (3,208) | | | Property, plant and equipment, net | | $ | 72,181 | | | $ | 65,639 | |
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