v3.26.1
Debt (Details) - Revolving Credit Agreement [Member] - USD ($)
$ in Billions
6 Months Ended
Jun. 30, 2026
May 15, 2026
May 14, 2026
Jun. 30, 2026
Revolving Credit Agreement Issued May 15, 2026 [Member]        
Line of Credit Facility        
Credit agreement, term (in years)   5 years    
Credit agreement, maximum borrowing capacity   $ 1.2    
Credit agreement, covenant terms   Pursuant to the credit agreement covenants, the Company must maintain an excess of consolidated net worth, defined as shareholders’ equity determined in accordance with GAAP (excluding accumulated other comprehensive income (loss)) plus (a) trust preferred securities (not to exceed 15% of total capital) and (b) mandatorily convertible securities (combined with trust preferred securities, not to exceed 25% of total capital), over goodwill and other intangible assets. The minimum consolidated net worth requirement is fixed during the term of the credit agreement at an amount equal to $17.8 billion (57.5% of the Company’s net worth as defined above as of March 31, 2026). In addition, the credit agreement contains other customary restrictive covenants as well as certain customary events of default, including with respect to a change of control, which would occur upon the acquisition of 35% or more of the Company’s voting stock or certain changes in the composition of the Company’s Board of Directors.    
Maximum percentage of trust preferred securities relative to total capital in determining consolidated net worth   15.00%    
Maximum percentage of trust preferred securities and mandatorily convertible securities relative to total capital in determining consolidated net worth   25.00%    
Credit agreement, threshold of consolidated net worth   $ 17.8    
Credit agreement, threshold of consolidated net worth as a percentage of shareholders' equity as calculated per the agreement   57.50%    
Percentage of Company's voting stock acquired by outside entity that would be considered a change in control   35.00%    
Credit agreement, compliance       As of June 30, 2026, the Company was in compliance with these covenants.
Credit agreement, cost of borrowing, basis points above SOFR 1.00%      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]   Secured Overnight Financing Rate (SOFR) [Member]
Revolving Credit Agreement Issued May 15, 2026 [Member] | Minimum [Member]        
Line of Credit Facility        
Credit agreement, cost of borrowing, basis points above SOFR   0.75%    
Revolving Credit Agreement Issued May 15, 2026 [Member] | Maximum [Member]        
Line of Credit Facility        
Credit agreement, cost of borrowing, basis points above SOFR   1.375%    
Revolving Credit Agreement Issued June 15, 2022 [Member]        
Line of Credit Facility        
Credit agreement, term (in years)     5 years  
Credit agreement, maximum borrowing capacity     $ 1.0