v3.8.0.1
Value of Business Acquired (Tables)
 12 Months Ended
Dec. 31, 2017
Present Value of Future Insurance Profits [Abstract]  
Schedule of Present Value of Future Insurance Profits
The balances of and changes in VOBA as of and for the years ended December 31, are as follows:
 
 
2017
 
2016
 
2015
 
(in millions)
Balance, beginning of year
$
2,314

 
$
2,828

 
$
2,836

Amortization—Impact of assumption and experience unlocking and true-ups
(56
)
 
(246
)
 
128

Amortization—All other
(311
)
 
(351
)
 
(385
)
Change in unrealized investment gains and losses
(456
)
 
(112
)
 
214

Interest
75

 
81

 
86

Foreign currency translation
25

 
114

 
(57
)
Other
0

 
0

 
6

Balance, end of year
$
1,591

 
$
2,314

 
$
2,828


 
The following table provides VOBA balances and the weighted average remaining expected life for the year ended December 31, 2017.

 
VOBA
Balance
 
Weighted Average Remaining Expected Life In Years
 
($ in millions)
 
 
CIGNA
$
223

 
12
Prudential Annuities Holding Co.
$
38

 
5
Gibraltar Life
$
1,178

 
9
Aoba Life
$
0

 
7
The Hartford Life Business
$
145

 
9
Gibraltar BSN Life Berhad
$
7

 
8

The following table provides the interest accrual rates varying by acquisition for the years ended December 31.

 
2017
 
2016
 
2015
CIGNA
 
 
6.40%
 
 
 
6.40%
 
 
 
6.40%
Prudential Annuities Holding Co.
 
 
5.96%
 
 
 
6.00%
 
 
 
6.05%
Gibraltar Life
1.28%
to
2.87%
 
1.28%
to
2.87%
 
1.28%
to
2.87%
Aoba Life
 
 
2.60%
 
 
 
2.60%
 
 
 
2.60%
The Hartford Life Business
3.00%
to
6.17%
 
3.00%
to
6.17%
 
3.00%
to
6.17%
Gibraltar BSN Life Berhad
4.07%
to
5.51%
 
4.07%
to
5.51%
 
4.07%
to
5.51%
Expected Amortization Expense of Ending Value of Future Insurance Profits
The following table provides estimated future amortization, net of interest, for the periods indicated.
 
 
2018
 
2019
 
2020
 
2021
 
2022
 
(in millions)
Estimated future VOBA amortization
$
204

 
$
182

 
$
164

 
$
152

 
$
138