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CONSOLIDATED STATEMENTS OF COMMON STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Millions
Total
Common Stock
Additional Paid In Capital
Retained Earnings
Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2023   554,941,703      
Beginning balance at Dec. 31, 2023 $ 17,616 $ 1,387 $ 8,465 $ 7,858 $ (94)
Increase (Decrease) in Stockholders' Equity          
Net income 488     488  
Other comprehensive income $ 23       23
Dividends declared on common stock (USD per share) $ 0.55        
Dividends declared on common stock $ (304)     (304)  
Issuances of common stock (in shares)   528,599      
Issuances of common stock 12 $ 2 10    
Share-based compensation 6   6 0  
Balance (in shares) at Mar. 31, 2024   555,470,302      
Ending balance at Mar. 31, 2024 $ 17,841 $ 1,389 8,481 8,042 (71)
Balance (in shares) at Dec. 31, 2024 574,365,598 574,365,598      
Beginning balance at Dec. 31, 2024 $ 19,522 $ 1,436 9,601 8,553 (68)
Increase (Decrease) in Stockholders' Equity          
Net income 483     483  
Other comprehensive income $ (4)       (4)
Dividends declared on common stock (USD per share) $ 0.57        
Dividends declared on common stock $ (328)     (328)  
Issuances of common stock (in shares)   2,181,453      
Issuances of common stock 122 $ 5 117    
Share-based compensation $ 9   11 (2)  
Balance (in shares) at Mar. 31, 2025 576,547,051 576,547,051      
Ending balance at Mar. 31, 2025 $ 19,804 $ 1,441 $ 9,729 $ 8,706 $ (72)