v3.26.1
Income Taxes - Reconciliation of income taxes at the statutory rate to the provision for income taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Effective Income Tax Rate Reconciliation, Amount [Abstract]        
Earnings before income taxes (“EBT”) $ 316 $ 229 $ 555 $ 426
Income taxes at statutory rate 67 48 117 89
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount 2 7 5 10
Effect of income tax credits (1) 0 (5) 0
Impact of nontaxable or nondeductible items:        
Effect of tax preference investments (1) (2) (2) (3)
Effect of other nondeductible items 3 2 4 2
Effect of other income tax reconciliation adjustments (2) 0 (3) 0
Provision for income taxes $ 68 $ 55 $ 116 $ 98
Effective Income Tax Rate Reconciliation, Percent [Abstract]        
Income taxes at statutory rate as a percentage of EBT 21.00% 21.00% 21.00% 21.00%
Effect of state and local income taxes, net of federal income tax effect as a percentage of EBT 1.00% 3.00% 1.00% 2.00%
Effect of income tax credits as a percentage of EBT 0.00% 0.00% (1.00%) 0.00%
Impact of nontaxable or nondeductible items:        
Effect of tax preference investments as a percentage of EBT 0.00% (1.00%) 0.00% (1.00%)
Effect of other nondeductible items as a percentage of EBT 1.00% 1.00% 1.00% 1.00%
Effect of other income tax reconciliation adjustments as a percentage of EBT (1.00%) 0.00% (1.00%) 0.00%
Provision for income taxes as shown on the Statement of Earnings as a percentage of EBT 22.00% 24.00% 21.00% 23.00%