v3.26.1
Consolidated Statements of Cash Flows (Unaudited) - NPC - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net income (loss) $ 2,005 $ 1,889
Adjustments to reconcile net income to net cash flows from operating activities:    
Allowance for equity funds (174) (147)
Deferred energy (73) (61)
Amortization of deferred energy 458 430
Other changes in regulatory assets and liabilities 118 (162)
Deferred income taxes and investment tax credits, net 323 (107)
Other, net 21 158
Changes in other operating assets and liabilities, net of effects from acquisitions:    
Trade receivables and other assets (509) (405)
Accrued property, income and other taxes, net 293 107
Accounts payable and other liabilities 123 114
Net cash flows from operating activities 4,673 4,320
Cash flows from investing activities:    
Capital expenditures (4,949) (4,573)
Net cash flows from investing activities (5,109) (4,071)
Cash flows from financing activities:    
Net repayment of short-term debt (609) 551
Other, net 219 (31)
Net cash flows from financing activities 2,806 572
Net change in cash and cash equivalents and restricted cash and cash equivalents 2,360 834
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period 1,878 1,586
Cash and cash equivalents and restricted cash and cash equivalents at end of period 4,238 2,420
NPC    
Cash flows from operating activities:    
Net income (loss) 117 49
Adjustments to reconcile net income to net cash flows from operating activities:    
Depreciation and amortization 207 197
Allowance for equity funds (22) (20)
Deferred energy 68 46
Amortization of deferred energy 40 27
Other changes in regulatory assets and liabilities 109 (17)
Deferred income taxes and investment tax credits, net (18) (10)
Other, net 6 (1)
Changes in other operating assets and liabilities, net of effects from acquisitions:    
Trade receivables and other assets (37) (7)
Inventories (1) (26)
Accrued property, income and other taxes, net 10 103
Accounts payable and other liabilities 29 166
Net cash flows from operating activities 508 507
Cash flows from investing activities:    
Capital expenditures (679) (632)
Proceeds from sale of assets 21 0
Net cash flows from investing activities (658) (632)
Cash flows from financing activities:    
Proceeds from long-term debt 0 297
Repayments of long-term debt (93) 0
Net repayment of short-term debt (50) 0
Contributions from parent 475 80
Dividends paid (90) (185)
Other, net 85 (11)
Net cash flows from financing activities 327 181
Net change in cash and cash equivalents and restricted cash and cash equivalents 177 56
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period 35 42
Cash and cash equivalents and restricted cash and cash equivalents at end of period $ 212 $ 98