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Reinsurance
 6 Months Ended
Jun. 30, 2016
Reinsurance Disclosures [Abstract]  
Reinsurance
Reinsurance
The effects of reinsurance on premiums and contract charges are as follows:
($ in millions)
Three months ended June 30,
 
Six months ended June 30,
 
2016
 
2015
 
2016
 
2015
Direct
$
177

 
$
183

 
$
354

 
$
366

Assumed
 
 
 
 
 
 
 
Affiliate
35

 
33

 
69

 
65

Non-affiliate
202

 
209

 
405

 
419

Ceded
 
 
 
 
 
 
 
Affiliate
(13
)
 
(14
)
 
(26
)
 
(14
)
Non-affiliate
(74
)
 
(81
)
 
(144
)
 
(161
)
Premiums and contract charges, net of reinsurance
$
327

 
$
330

 
$
658

 
$
675






The effects of reinsurance on contract benefits are as follows:
($ in millions)
Three months ended June 30,
 
Six months ended June 30,
 
2016
 
2015
 
2016
 
2015
Direct
$
257

 
$
247

 
$
513

 
$
521

Assumed
 
 
 
 
 
 
 
Affiliate
20

 
20

 
41

 
39

Non-affiliate
145

 
135

 
278

 
270

Ceded
 
 
 
 
 
 
 
Affiliate
(9
)
 
(11
)
 
(18
)
 
(11
)
Non-affiliate
(72
)
 
(45
)
 
(135
)
 
(115
)
Contract benefits, net of reinsurance
$
341

 
$
346

 
$
679

 
$
704


The effects of reinsurance on interest credited to contractholder funds are as follows:
($ in millions)
Three months ended June 30,
 
Six months ended June 30,
 
2016
 
2015
 
2016
 
2015
Direct
$
154

 
$
158

 
$
315

 
$
316

Assumed
 
 
 
 
 
 
 
Affiliate
2

 
2

 
4

 
5

Non-affiliate
27

 
25

 
52

 
61

Ceded
 
 
 
 
 
 
 
Affiliate
(5
)
 
(5
)
 
(10
)
 
(5
)
Non-affiliate
(6
)
 
(6
)
 
(11
)
 
(12
)
Interest credited to contractholder funds, net of reinsurance
$
172

 
$
174

 
$
350

 
$
365