XML 53 R38.htm IDEA: XBRL DOCUMENT v3.8.0.1
Reportable Segments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information        
Property-liability insurance premiums $ 8,121 $ 7,869 $ 24,098 $ 23,406
Net investment income 843 748 2,488 2,241
Realized capital gains and losses 103 33 318 (92)
Life and annuity premiums and contract charges 593 571 1,777 1,701
Total revenues 9,660 9,221 28,681 27,256
Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 8,121 7,869 24,098 23,406
Net investment income 372 310 1,074 928
Realized capital gains and losses 82 53 302 (20)
Total revenues 8,575 8,232 25,474 24,314
Allstate Protection        
Segment Reporting Information        
Property-liability insurance premiums 8,121 7,869 24,098 23,406
Discontinued Lines and Coverages        
Segment Reporting Information        
Property-liability insurance premiums 0 0 0 0
Allstate Financial        
Segment Reporting Information        
Net investment income 461 427 1,383 1,281
Realized capital gains and losses 21 (21) 16 (70)
Life and annuity premiums and contract charges 593 571 1,777 1,701
Total revenues 1,075 977 3,176 2,912
Corporate and Other        
Segment Reporting Information        
Net investment income 10 11 31 32
Realized capital gains and losses 0 1 0 (2)
Total revenues 10 12 31 30
Auto | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 5,502 5,353 16,327 15,879
Homeowners | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 1,832 1,813 5,462 5,438
Other personal lines | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 439 426 1,306 1,271
Commercial lines | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 124 127 367 383
Other business lines | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 146 150 429 435
SquareTrade | Property-Liability        
Segment Reporting Information        
Property-liability insurance premiums 78 0 207 0
Traditional life insurance | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges 153 145 450 422
Accident and health insurance | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges 232 216 697 646
Total life and annuity premiums | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges 385 361 1,147 1,068
Interest-sensitive life insurance | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges 204 206 620 623
Fixed annuities | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges 4 4 10 10
Total contract charges | Allstate Financial        
Segment Reporting Information        
Life and annuity premiums and contract charges $ 208 $ 210 $ 630 $ 633