v3.26.1
Condensed Consolidated Statements of Cash Flows - Duke Energy Carolinas - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 1,577 $ 1,404
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion (including amortization of nuclear fuel) 1,884 1,691
Equity component of AFUDC (88) (70)
Gains on sales of other assets (16) (6)
Deferred income taxes 412 192
Payments for asset retirement obligations (119) (102)
(Increase) decrease in    
Receivables 336 150
Inventory 1 99
Other current assets (328) 107
Increase (decrease) in    
Accounts payable (302) (866)
Taxes accrued (139) (52)
Other current liabilities (460) (468)
Other assets (936) (60)
Other liabilities 65 84
Net cash provided by operating activities 1,512 2,177
CASH FLOWS FROM INVESTING ACTIVITIES    
Capital expenditures (4,088) (3,148)
Purchases of debt and equity securities (5,025) (1,966)
Proceeds from sales and maturities of debt and equity securities 5,037 2,051
Other (271) (237)
Net cash used in investing activities (1,846) (3,300)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from the issuance of long-term debt 3,268 4,096
Payments for the redemption of long-term debt (2,577) (996)
Other (109) (11)
Net cash provided by financing activities 2,223 1,238
Net increase (decrease) in cash, cash equivalents and restricted cash 1,889 115
Cash, cash equivalents and restricted cash at beginning of period 363 421
Cash, cash equivalents and restricted cash at end of period 2,252 536
Significant non-cash transactions:    
Accrued capital expenditures 2,313 1,900
Duke Energy Carolinas    
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income 426 513
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion (including amortization of nuclear fuel) 589 500
Equity component of AFUDC (41) (32)
Gains on sales of other assets (2) 0
Deferred income taxes 134 13
Payments for asset retirement obligations (44) (43)
(Increase) decrease in    
Receivables 165 158
Receivables from affiliated companies 80 (40)
Inventory (18) 48
Other current assets (179) (63)
Increase (decrease) in    
Accounts payable (85) (344)
Accounts payable to affiliated companies (33) 243
Taxes accrued (181) (461)
Other current liabilities (175) (111)
Other assets (700) (16)
Other liabilities 43 24
Net cash provided by operating activities (21) 389
CASH FLOWS FROM INVESTING ACTIVITIES    
Capital expenditures (1,474) (1,019)
Purchases of debt and equity securities (2,633) (1,065)
Proceeds from sales and maturities of debt and equity securities 2,633 1,065
Notes receivable from affiliated companies 69 (75)
Other (113) (49)
Net cash used in investing activities (1,518) (1,143)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from the issuance of long-term debt 1,015 1,239
Payments for the redemption of long-term debt (8) (508)
Notes payable to affiliated companies 638  
Other (46) 60
Net cash provided by financing activities 1,599 791
Net increase (decrease) in cash, cash equivalents and restricted cash 60 37
Cash, cash equivalents and restricted cash at beginning of period 22 16
Cash, cash equivalents and restricted cash at end of period 82 53
Significant non-cash transactions:    
Accrued capital expenditures $ 902 $ 782