XML 127 R70.htm IDEA: XBRL DOCUMENT v3.10.0.1
Segment Information - Income Tax Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting Information [Line Items]      
Income tax expense (benefit) $ 268 $ 985 $ (166)
Commercial Lines      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) 267 377 415
Personal Lines      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) (19) 26 (23)
Property & Casualty Other Operations      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) (7) 24 (355)
Group Benefits      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) 84 38 83
Hartford Funds      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) 38 63 43
Corporate      
Segment Reporting Information [Line Items]      
Income tax expense (benefit) $ (95) $ 457 $ (329)