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Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Carolinas - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Operating Revenues $ 8,542 $ 8,154 $ 24,299 $ 22,997
Operating Expenses        
Operation, maintenance and other 1,762 1,409 4,916 4,108
Depreciation and amortization 1,626 1,516 4,721 4,312
Property and other taxes 438 383 1,281 1,162
Impairment of assets and other charges 0 (5) 3 39
Total operating expenses 6,225 6,017 17,829 17,208
Gain (Loss) on Sales of Other Assets and Other, net 17 7 37 25
Operating (Loss) Income 2,334 2,144 6,507 5,814
Other Income and Expenses, net 198 181 535 555
Interest Expense 902 872 2,688 2,513
Income From Continuing Operations Before Income Taxes 1,630 1,453 4,354 3,856
Income Tax Expense From Continuing Operations 176 163 488 481
Net Income 1,421 1,281 3,784 3,319
Comprehensive Income 1,396 1,227 3,734 3,373
Duke Energy Carolinas        
Operating Revenues 2,632 2,707 7,387 7,411
Operating Expenses        
Cost of sales 706 922 2,080 2,531
Operation, maintenance and other 487 463 1,471 1,358
Depreciation and amortization 488 472 1,402 1,306
Property and other taxes 96 88 283 271
Impairment of assets and other charges 1 (2) 0 32
Total operating expenses 1,778 1,943 5,236 5,498
Gain (Loss) on Sales of Other Assets and Other, net 0 0 6 1
Operating (Loss) Income 854 764 2,157 1,914
Other Income and Expenses, net 65 58 187 181
Interest Expense 184 189 584 537
Income From Continuing Operations Before Income Taxes 735 633 1,760 1,558
Income Tax Expense From Continuing Operations 51 49 138 153
Net Income 684 584 1,622 1,405
Other comprehensive income (loss) 1 0 1 0
Comprehensive Income $ 685 $ 584 $ 1,623 $ 1,405