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Reinsurance
9 Months Ended
Sep. 30, 2016
Reinsurance Disclosures [Abstract]  
Reinsurance
Reinsurance
Property-liability insurance premiums earned and life and annuity premiums and contract charges have been reduced by reinsurance ceded amounts shown in the following table.
($ in millions)
Three months ended September 30,
 
Nine months ended September 30,
 
2016
 
2015
 
2016

2015
Property-liability insurance premiums earned
$
244

 
$
246

 
$
741

 
$
757

Life and annuity premiums and contract charges
78

 
82

 
230

 
252

Property-liability insurance claims and claims expense, life and annuity contract benefits and interest credited to contractholder funds have been reduced by the reinsurance ceded amounts shown in the following table.
($ in millions)
Three months ended September 30,
 
Nine months ended September 30,
 
2016
 
2015
 
2016
 
2015
Property-liability insurance claims and claims expense
$
493

 
$
107

 
$
895

 
$
441

Life and annuity contract benefits
25

 
23

 
172

 
150
Interest credited to contractholder funds
7

 
6

 
18

 
19