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Reinsurance
 3 Months Ended
Mar. 31, 2017
Reinsurance Disclosures [Abstract]  
Reinsurance
Reinsurance
The effects of reinsurance on premiums and contract charges are as follows:
($ in millions)
Three months ended March 31,
 
2017
 
2016
Direct
$
180

 
$
177

Assumed
 
 
 
Affiliate
53

 
34

Non-affiliate
198

 
203

Ceded
 
 
 
Affiliate
(13
)
 
(13
)
Non-affiliate
(70
)
 
(70
)
Premiums and contract charges, net of reinsurance
$
348

 
$
331


The effects of reinsurance on contract benefits are as follows:
($ in millions)
Three months ended March 31,
 
2017
 
2016
Direct
$
259

 
$
256

Assumed
 
 
 
Affiliate
29

 
21

Non-affiliate
116

 
133

Ceded
 
 
 
Affiliate
(8
)
 
(9
)
Non-affiliate
(42
)
 
(63
)
Contract benefits, net of reinsurance
$
354

 
$
338


The effects of reinsurance on interest credited to contractholder funds are as follows:
($ in millions)
Three months ended March 31,
 
2017
 
2016
Direct
$
136

 
$
161

Assumed
 
 
 
Affiliate
2

 
2

Non-affiliate
33

 
25

Ceded
 
 
 
Affiliate
(5
)
 
(5
)
Non-affiliate
(5
)
 
(5
)
Interest credited to contractholder funds, net of reinsurance
$
161

 
$
178