pre_text: 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: .
post_text: 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. .
table: 2014 2013
table: U.S. life insurance subsidiaries, includes domestic captive insurance subsidiaries in 2013 $7,157 $6,639
table: Property and casualty insurance subsidiaries 8,069 8,022
table: Total $15,226 $14,661
question: Analyse this data from a financial earnings document. 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