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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, 2022   549,578,018      
Beginning balance at Dec. 31, 2022 $ 16,675 $ 1,374 $ 8,155 $ 7,239 $ (93)
Increase (Decrease) in Stockholders' Equity          
Net income 1,362     1,362  
Other comprehensive income $ 15       15
Dividends declared on common stock (USD per share) $ 1.56        
Dividends declared on common stock $ (859)     (859)  
Issuances of common stock (in shares)   2,084,785      
Issuances of common stock 113 $ 5 108    
Share-based compensation 3   6 (3)  
Balance (in shares) at Sep. 30, 2023   551,662,803      
Ending balance at Sep. 30, 2023 17,309 $ 1,379 8,269 7,739 (78)
Balance (in shares) at Jun. 30, 2023   551,375,255      
Beginning balance at Jun. 30, 2023 16,914 $ 1,378 8,247 7,371 (82)
Increase (Decrease) in Stockholders' Equity          
Net income 656     656  
Other comprehensive income $ 4       4
Dividends declared on common stock (USD per share) $ 0.52        
Dividends declared on common stock $ (287)     (287)  
Issuances of common stock (in shares)   287,548      
Issuances of common stock 18 $ 1 17    
Share-based compensation 4   5 (1)  
Balance (in shares) at Sep. 30, 2023   551,662,803      
Ending balance at Sep. 30, 2023 $ 17,309 $ 1,379 8,269 7,739 (78)
Balance (in shares) at Dec. 31, 2023 554,941,703 554,941,703      
Beginning balance at Dec. 31, 2023 $ 17,616 $ 1,387 8,465 7,858 (94)
Increase (Decrease) in Stockholders' Equity          
Net income 1,472     1,472  
Other comprehensive income $ 28       28
Dividends declared on common stock (USD per share) $ 1.6425        
Dividends declared on common stock $ (921)     (921)  
Issuances of common stock (in shares)   19,160,010      
Issuances of common stock 1,130 $ 48 1,082    
Share-based compensation $ 27   30 (3)  
Balance (in shares) at Sep. 30, 2024 574,101,713 574,101,713      
Ending balance at Sep. 30, 2024 $ 19,352 $ 1,435 9,577 8,406 (66)
Balance (in shares) at Jun. 30, 2024   557,337,051      
Beginning balance at Jun. 30, 2024 17,954 $ 1,393 8,589 8,039 (67)
Increase (Decrease) in Stockholders' Equity          
Net income 682     682  
Other comprehensive income $ 1       1
Dividends declared on common stock (USD per share) $ 0.5475        
Dividends declared on common stock $ (312)     (312)  
Issuances of common stock (in shares)   16,764,662      
Issuances of common stock 1,017 $ 42 975    
Share-based compensation $ 10   13 (3)  
Balance (in shares) at Sep. 30, 2024 574,101,713 574,101,713      
Ending balance at Sep. 30, 2024 $ 19,352 $ 1,435 $ 9,577 $ 8,406 $ (66)