XML 121 R61.htm IDEA: XBRL DOCUMENT v3.22.4
Basis of Presentation and Significant Accounting Policies (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2021
Jan. 01, 2020
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Reserve for future policy benefits   $ 561,000,000 $ 596,000,000 $ 638,000,000      
Participating dividends to policyholders   29,000,000 24,000,000 29,000,000      
Deposit Contracts, Liabilities   0 99,000,000        
Accumulated depreciation   2,300,000,000 2,300,000,000        
Depreciation expense   $ 213,000,000 $ 282,000,000 271,000,000      
Derivative Liability, Statement of Financial Position [Extensible Enumeration]   Other investments, Other liabilities Other investments, Other liabilities        
Not Designated as Hedging Instrument | Commodity Option              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Derivative, Cost of Hedge $ 10,000,000            
Minimum | Other Intangible Assets              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Useful lives   1 year          
Maximum | Other Intangible Assets              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Useful lives   15 years          
Reinsurance Policy, Type [Axis]: Adverse Development Cover Navigators Group              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Deferred Revenue   $ 209,000,000          
Reinsurance Policy, Type [Axis]: Retroactive Reinsurance [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Paid loss and loss adjustment expenses   1,500,000,000 $ 1,300,000,000        
Deferred Revenue, Additions   229,000,000 246,000,000 $ 312,000,000      
Reinsurance Policy, Type [Axis]: Retroactive Reinsurance [Member] | Other liabilities              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Deferred Revenue   $ 803,000,000 $ 574,000,000        
Property and Casualty Insurance Subsidiaries              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Participating Insurance, Percentage of Premium Income   7.00% 7.00% 7.00%      
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest             $ 2,000,000
Accounting Standards Update 2016-13 [Member] | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest           $ (18,000,000)  
Accounting Standards Update 2016-13 [Member] | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment [Member] | Other liabilities              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest           $ 25,000,000  
Accounting Standards Update 2018-12 | Cumulative Effect, Period of Adoption, Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Reserve for future policy benefits         $ 85,000,000    
Accounting Standards Update 2018-12 | Accumulated Other Comprehensive Income (Loss), net of tax | Cumulative Effect, Period of Adoption, Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest   $ 35,000,000     $ (65,000,000)