what is the net change in aon 2019s unpaid restructuring liabilities during 2007?
Important information:
table_4: balance at january 1 2005 the balance at december 31 2005 of $ 2014 is 116 ;
table_9: balance at january 1 2005 the expensed in 2007 of $ 2014 is 38 ;
table_12: balance at january 1 2005 the balance at december 31 2007 of $ 2014 is $ 63 ;
Reasoning Steps:
Step: add1-1(38, -110) = -72
Step: add1-2(#0, 1) = -71
Program:
add(38, -110), add(#0, 1)
Program (Nested):
add(add(38, -110), 1)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
notes to consolidated financial statements the following table sets forth the activity related to the 2005 restructuring plan liabilities . ( millions ) .
Table
balance at january 1 2005    | $ 2014      
expensed in 2005             | 141         
cash payments in 2005        | -23 ( 23 )  
foreign currency revaluation | -2 ( 2 )    
balance at december 31 2005  | 116         
expensed in 2006             | 155         
cash payments in 2006        | -141 ( 141 )
foreign currency revaluation | 4           
balance at december 31 2006  | 134         
expensed in 2007             | 38          
cash payments in 2007        | -110 ( 110 )
foreign currency revaluation | 1           
balance at december 31 2007  | $ 63        
aon 2019s unpaid restructuring liabilities are included in both accounts payable and accrued liabilities and other non-current liabilities in the consolidated statements of financial position . aon corporation .
Question: 
what is the net change in aon 2019s unpaid restructuring liabilities during 2007?
Important information:
table_4: balance at january 1 2005 the balance at december 31 2005 of $ 2014 is 116 ;
table_9: balance at january 1 2005 the expensed in 2007 of $ 2014 is 38 ;
table_12: balance at january 1 2005 the balance at december 31 2007 of $ 2014 is $ 63 ;
Reasoning Steps:
Step: add1-1(38, -110) = -72
Step: add1-2(#0, 1) = -71
Program:
add(38, -110), add(#0, 1)
Program (Nested):
add(add(38, -110), 1)
