marathon oil corporation notes to consolidated financial statements ( g ) this obligation relates to a lease of equipment at united states steel 2019s clairton works cokemaking facility in pennsylvania .we are the primary obligor under this lease .under the financial matters agreement , united states steel has assumed responsibility for all obligations under this lease .this lease is an amortizing financing with a final maturity of 2012 .( h ) these notes are senior secured notes of marathon oil canada corporation .the notes are secured by substantially all of marathon oil canada corporation 2019s assets .in january 2008 , we provided a full and unconditional guarantee covering the payment of all principal and interest due under the senior notes .( i ) these obligations as of december 31 , 2009 include $ 36 million related to assets under construction at that date for which a capital lease will commence upon completion of construction .the amounts currently reported are based upon the percent of construction completed as of december 31 , 2009 and therefore do not reflect future minimum lease obligations of $ 164 million related to the asset .( j ) payments of long-term debt for the years 2010 - 2014 are $ 102 million , $ 246 million , $ 1492 million , $ 287 million and $ 802 million .united steel is due to pay $ 17 million in 2010 , $ 161 million in 2011 , $ 19 million in 2012 , and $ 11 for year 2014 .( k ) in the event of a change in control , as defined in the related agreements , debt obligations totaling $ 662 million at december 31 , 2009 , may be declared immediately due and payable .( l ) see note 16 for information on interest rate swaps .20 .asset retirement obligations the following summarizes the changes in asset retirement obligations : ( in millions ) 2009 2008 . ( in millions )                                                           | 2009       | 2008        
asset retirement obligations as of january 1                              | $ 965      | $ 1134      
liabilities incurred including acquisitions                               | 14         | 30          
liabilities settled                                                       | -65 ( 65 ) | -94 ( 94 )  
accretion expense ( included in depreciation depletion and amortization ) | 64         | 66          
revisions to previous estimates                                           | 124        | 24          
held for sale                                                             | -          | -195 ( 195 )
asset retirement obligations as of december 31 ( a )                      | $ 1102     | $ 965        asset retirement obligations as of december 31 ( a ) $ 1102 $ 965 ( a ) includes asset retirement obligation of $ 3 and $ 2 million classified as short-term at december 31 , 2009 , and 2008. .
Question: what was the net difference in asset retirement obligations between 2008 and 2009?
Steps: subtract(1102, 965)
Answer: 137.0
Question: what was the percent change?

Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.
marathon oil corporation notes to consolidated financial statements ( g ) this obligation relates to a lease of equipment at united states steel 2019s clairton works cokemaking facility in pennsylvania .we are the primary obligor under this lease .under the financial matters agreement , united states steel has assumed responsibility for all obligations under this lease .this lease is an amortizing financing with a final maturity of 2012 .( h ) these notes are senior secured notes of marathon oil canada corporation .the notes are secured by substantially all of marathon oil canada corporation 2019s assets .in january 2008 , we provided a full and unconditional guarantee covering the payment of all principal and interest due under the senior notes .( i ) these obligations as of december 31 , 2009 include $ 36 million related to assets under construction at that date for which a capital lease will commence upon completion of construction .the amounts currently reported are based upon the percent of construction completed as of december 31 , 2009 and therefore do not reflect future minimum lease obligations of $ 164 million related to the asset .( j ) payments of long-term debt for the years 2010 - 2014 are $ 102 million , $ 246 million , $ 1492 million , $ 287 million and $ 802 million .united steel is due to pay $ 17 million in 2010 , $ 161 million in 2011 , $ 19 million in 2012 , and $ 11 for year 2014 .( k ) in the event of a change in control , as defined in the related agreements , debt obligations totaling $ 662 million at december 31 , 2009 , may be declared immediately due and payable .( l ) see note 16 for information on interest rate swaps .20 .asset retirement obligations the following summarizes the changes in asset retirement obligations : ( in millions ) 2009 2008 . ( in millions )                                                           | 2009       | 2008        
asset retirement obligations as of january 1                              | $ 965      | $ 1134      
liabilities incurred including acquisitions                               | 14         | 30          
liabilities settled                                                       | -65 ( 65 ) | -94 ( 94 )  
accretion expense ( included in depreciation depletion and amortization ) | 64         | 66          
revisions to previous estimates                                           | 124        | 24          
held for sale                                                             | -          | -195 ( 195 )
asset retirement obligations as of december 31 ( a )                      | $ 1102     | $ 965        asset retirement obligations as of december 31 ( a ) $ 1102 $ 965 ( a ) includes asset retirement obligation of $ 3 and $ 2 million classified as short-term at december 31 , 2009 , and 2008. .
Question: what was the net difference in asset retirement obligations between 2008 and 2009?
Steps: subtract(1102, 965)
Answer: 137.0
Question: what was the percent change?
