v3.26.1
Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - NPC - USD ($)
$ in Millions
Total
NPC
NPC
Common Stock
NPC
Additional Paid-in Capital
NPC
Retained Earnings
NPC
Accumulated Other Comprehensive (Loss) Income, Net
Balance (shares) at Dec. 31, 2024     1,000      
Balance at Dec. 31, 2024   $ 4,448 $ 0 $ 2,943 $ 1,506 $ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 1,889 49     49  
Dividends declared   (185)     (185)  
Contributions   80   80    
Balance (shares) at Jun. 30, 2025     1,000      
Balance at Jun. 30, 2025   4,392 $ 0 3,023 1,370 (1)
Balance (shares) at Mar. 31, 2025     1,000      
Balance at Mar. 31, 2025   4,255 $ 0 2,943 1,313 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 702 57     57  
Contributions   80   80    
Balance (shares) at Jun. 30, 2025     1,000      
Balance at Jun. 30, 2025   $ 4,392 $ 0 3,023 1,370 (1)
Balance (shares) at Dec. 31, 2025 1 1,000 1,000      
Balance at Dec. 31, 2025 $ 54,065 $ 4,690 $ 0 3,123 1,568 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 2,005 117     117  
Dividends declared   (90)     (90)  
Contributions   $ 475   475    
Balance (shares) at Jun. 30, 2026 1 1,000 1,000      
Balance at Jun. 30, 2026 $ 55,883 $ 5,192 $ 0 3,598 1,595 (1)
Balance (shares) at Mar. 31, 2026     1,000      
Balance at Mar. 31, 2026   4,901 $ 0 3,323 1,579 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 891 106     106  
Dividends declared   (90)     (90)  
Contributions   $ 275   275    
Balance (shares) at Jun. 30, 2026 1 1,000 1,000      
Balance at Jun. 30, 2026 $ 55,883 $ 5,192 $ 0 $ 3,598 $ 1,595 $ (1)