XML 161 R101.htm IDEA: XBRL DOCUMENT v3.22.4
Premiums Receivable - Premiums Receivable and Agents' Balances (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross $ 5,058 $ 4,550   $ 4,529
Premium Receivable, Allowance for Credit Loss (109) (105) $ (152) (145)
Premiums Receivable, Net 4,949 4,445   4,384
Premiums Receivable, Due in One Year or Less, Excluding Receivables for Loss within a Deductible and Retrospectively-Rated Policy Premiums [Member]        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 4,698 4,130    
Premium Receivable, Allowance for Credit Loss (85) (83) (117) (85)
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member]        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 360 420    
Premium Receivable, Allowance for Credit Loss (24) (22) $ (35) $ (60)
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member] | Standard & Poor's, AA Rating        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 106 130    
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member] | Standard & Poor's, A Rating [Member]        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 38 52    
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member] | Standard & Poor's, BBB Rating        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 119 133    
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member] | Standard & Poor's, BB Rating        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross 56 64    
Premiums Receivable, Loss Within a Deductible and Retrospectively-Rated Policy Premiums [Member] | Standard & Poor's, Below BB Rating        
Financing Receivable, Credit Quality Indicator [Line Items]        
Premiums Receivable, Gross $ 41 $ 41