v3.26.1
Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - SPPC - USD ($)
$ in Millions
Total
Additional Paid-in Capital
Retained Earnings
SPPC
SPPC
Common Stock
SPPC
Additional Paid-in Capital
SPPC
Retained Earnings
SPPC
Accumulated Other Comprehensive (Loss) Income, Net
Balance (shares) at Dec. 31, 2024         1,000      
Balance at Dec. 31, 2024       $ 2,100 $ 0 $ 1,726 $ 375 $ (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income $ 1,889     49     49  
Contributions       395   395    
Other equity transactions (7)   $ (3) 1     1  
Balance (shares) at Jun. 30, 2025         1,000      
Balance at Jun. 30, 2025       2,545 $ 0 2,121 425 (1)
Balance (shares) at Mar. 31, 2025         1,000      
Balance at Mar. 31, 2025       2,402 $ 0 2,001 402 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 702     22     22  
Contributions       120   120    
Other equity transactions $ (2)   (1) 1     1  
Balance (shares) at Jun. 30, 2025         1,000      
Balance at Jun. 30, 2025       $ 2,545 $ 0 2,121 425 (1)
Balance (shares) at Dec. 31, 2025 1     1,000 1,000      
Balance at Dec. 31, 2025 $ 54,065     $ 2,981 $ 0 2,561 421 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 2,005     63     63  
Contributions       490   490    
Other equity transactions $ 6 $ 5 (1) $ 1     1  
Balance (shares) at Jun. 30, 2026 1     1,000 1,000      
Balance at Jun. 30, 2026 $ 55,883     $ 3,535 $ 0 3,051 485 (1)
Balance (shares) at Mar. 31, 2026         1,000      
Balance at Mar. 31, 2026       3,309 $ 0 2,861 449 (1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income 891     36     36  
Contributions       $ 190   190    
Other equity transactions $ (3)   $ (1)          
Balance (shares) at Jun. 30, 2026 1     1,000 1,000      
Balance at Jun. 30, 2026 $ 55,883     $ 3,535 $ 0 $ 3,051 $ 485 $ (1)