v3.26.1
Other Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 240 $ 239
Other revenues 435 435
Prepaid legal plans    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 120 115
Administrative services-only contracts    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 80 73
Recordkeeping and administrative services (1)    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 34 35
Other revenue related to service contracts from customers    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 6 16
Other Income    
Disaggregation of Revenue [Line Items]    
Other revenues $ 195 $ 196