XML 80 R59.htm IDEA: XBRL DOCUMENT v3.22.0.1
Basis of Presentation and Significant Accounting Policies (Narrative) (Detail)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
State
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Number of states company issues title insurance policies | State   49    
Number of states company issues home warranty contracts | State   35    
Net investment gains (realized gains of $20, $15, $6)   $ 436 $ 105 $ 66
Non-Marketable Equity Securities   441 217  
Equity method investments   78 69  
Other assets   448 353  
Accrued Interest Receivable   2 3  
Accrued Interest Receivable On Debt Securities   34 29  
Fair values of investments in debt securities for funding of statutory premium reserves and state deposits   $ 91 94  
Period of mortgage loan sold description   Collections of the receivable balance occur upon sale of the underlying mortgage loan to investors in the secondary market, generally within 30 days and more typically in less than 10 days.    
Impairment losses on property and equipment primarily related to impairments of internally developed software   $ 5 18 $ 6
Assessment to determine fair value   50.00%    
Goodwill, impairment loss     34  
Escrow deposits   $ 10,800 7,100  
Like-kind exchange funds   6,000 2,900  
Cash deposits with third party financial institutions   433    
First American Trust        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Escrow deposits   4,900 3,100  
Assets held-in-trust   $ 4,600 $ 4,400  
Employee Stock Purchase Plan        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Employee stock purchase plan percentage of purchase price on closing price   85.00%    
Employee stock purchase plan percentage of discount purchase price on closing price   15.00%    
Minimum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Percentage of claim amounts known in the first few years of the policy life   70.00%    
Minimum | Capitalized Real Estate        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Capitalized real estate estimated useful lives, years   5 years    
Minimum | Other Intangible Assets        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Other intangible assets estimated useful lives, years   1 year    
Maximum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Percentage of claim amounts known in the first few years of the policy life   80.00%    
Percentage of total premiums assumed and ceded in connection with reinsurance   1.00% 1.00% 1.00%
Maximum | Capitalized Real Estate        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Capitalized real estate estimated useful lives, years   15 years    
Maximum | Other Intangible Assets        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Other intangible assets estimated useful lives, years   20 years    
Buildings | Minimum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   5 years    
Buildings | Maximum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   40 years    
Furniture and Equipment | Minimum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   3 years    
Furniture and Equipment | Maximum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   15 years    
Leasehold Improvements        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Leasehold improvements, estimated useful lives   initially recorded at cost and are amortized over the lesser of the remaining term of the respective lease or the estimated useful life, using the straight-line method.    
Capitalized Software Costs | Minimum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   1 year    
Capitalized Software Costs | Maximum        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Property, plant and equipment, estimated useful lives, years   15 years    
Revision of Prior Period, Reclassification, Adjustment        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Non-Marketable Equity Securities     $ 222  
Equity method investments     64  
Revision of Prior Period, Reclassification, Adjustment | Other Assets        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Other assets     64  
Specialty Insurance        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Goodwill, impairment loss     34  
Title Insurance and Services        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Goodwill, impairment loss   $ 0 0 $ 0
Operating Segments        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Net investment gains (realized gains of $20, $15, $6)   436 105 66
Operating Segments | Corporate        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Net investment gains (realized gains of $20, $15, $6) $ 86      
Operating Segments | Specialty Insurance        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Net investment gains (realized gains of $20, $15, $6)   23 12 11
Operating Segments | Title Insurance and Services        
Basis Of Presentation And Significant Accounting Policies [Line Items]        
Net investment gains (realized gains of $20, $15, $6)   $ 72 $ 86 $ 55