XML 45 R33.htm IDEA: XBRL DOCUMENT v3.20.2
Investments - OTTI (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
securities
Sep. 30, 2019
USD ($)
securities
Sep. 30, 2020
USD ($)
securities
Sep. 30, 2019
USD ($)
securities
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 5 $ 3 $ 36 $ 22
No. of Securities | securities 47 15 282 32
Write-downs related to credit impairments $ 0 $ 1 $ 0 $ 19
Intent Impairments 5 2 36 3
U.S. corporate public securities        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 1 $ 0 $ 12 $ 0
No. of Securities | securities 9 0 43 0
Foreign corporate public securities and foreign governments        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 0 $ 1 $ 1 $ 2
No. of Securities | securities 5 2 22 3
Foreign corporate private securities        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 0 $ 0 $ 0 $ 18
No. of Securities | securities 0 1 7 4
Residential mortgage-backed        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 1 $ 2 $ 2 $ 2
No. of Securities | securities 18 11 40 21
Commercial mortgage-backed        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 3 $ 0 $ 20 $ 0
No. of Securities | securities 12 0 102 0
U.S. corporate private securities        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 0 $ 0 $ 0 $ 0
No. of Securities | securities 1 0 2 0
State, municipalities and political subdivisions        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 0 $ 0 $ 0 $ 0
No. of Securities | securities 1 0 6 0
Other Asset-backed Securities [Member]        
Available-for-sale Securities Including Securities Pledged [Line Items]        
Impairment $ 0 $ 0 $ 1 $ 0
No. of Securities | securities 1 1 60 4