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Common Stock (Details) - USD ($)
 3 Months Ended 150 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Dec. 31, 2023
Equity, Class of Treasury Stock [Line Items]          
Common stock, outstanding   46,995,600   46,995,600 47,047,265
Common stock, issued   68,073 72,076    
Dividends declared per common share (in US dollars per share)   $ 0.18 $ 0.15    
Stock repurchase, authorized amount (in US dollars)   $ 2,150,000,000   $ 2,150,000,000  
Number of shares repurchased   100,000   25,900,000  
Stock repurchased (in US dollars)   $ 39,202,000 $ 16,077,000 $ 1,930,000,000  
Remaining authorized repurchase amount (in US dollars)   221,900,000   $ 221,900,000  
Subsequent Event          
Equity, Class of Treasury Stock [Line Items]          
Dividends declared per common share (in US dollars per share) $ 0.25        
Treasury Stock [Member]          
Equity, Class of Treasury Stock [Line Items]          
Stock repurchased (in US dollars)   $ 39,202,000 $ 16,077,000