what was the average statutory surplus for the company 2019s insurance companies for u.s . life insurance subsidiaries including domestic captive insurance subsidiaries from 2012 to 2013
the agencies consider many factors in determining the final rating of an insurance company . one consideration is the relative level of statutory surplus necessary to support the business written . statutory surplus represents the capital of the insurance company reported in accordance with accounting practices prescribed by the applicable state insurance department . see part i , item 1a . risk factors 2014 201cdowngrades in our financial strength or credit ratings , which may make our products less attractive , could increase our cost of capital and inhibit our ability to refinance our debt , which would have a material adverse effect on our business , financial condition , results of operations and liquidity . 201d statutory surplus the table below sets forth statutory surplus for the company 2019s insurance companies as of december 31 , 2014 and 2013: .

|  | 2014 | 2013 |
| :--- | :--- | :--- |
| U.S. life insurance subsidiaries, includes domestic captive insurance subsidiaries in 2013 | $7,157 | $6,639 |
| Property and casualty insurance subsidiaries | 8,069 | 8,022 |
| Total | $15,226 | $14,661 |

statutory capital and surplus for the u.s . life insurance subsidiaries , including domestic captive insurance subsidiaries in 2013 , increased by $ 518 , primarily due to variable annuity surplus impacts of $ 788 , net income from non-variable annuity business of $ 187 , increases in unrealized gains from other invested assets carrying values of $ 138 , partially offset by returns of capital of $ 500 , and changes in reserves on account of change in valuation basis of $ 100 . effective april 30 , 2014 the last domestic captive ceased operations . statutory capital and surplus for the property and casualty insurance increased by $ 47 , primarily due to statutory net income of $ 1.1 billion , and unrealized gains on investments of $ 1.4 billion , largely offset by dividends to the hfsg holding company of $ 2.5 billion . the company also held regulatory capital and surplus for its former operations in japan until the sale of those operations on june 30 , 2014 . under the accounting practices and procedures governed by japanese regulatory authorities , the company 2019s statutory capital and surplus was $ 1.2 billion as of december 31 , 2013. .

statutory_surplus_2014 = 7157
statutory_surplus_2013 = 6639
total_statutory_surplus = statutory_surplus_2014 + statutory_surplus_2013
average_statutory_surplus = total_statutory_surplus / 2
answer = average_statutory_surplus