( 1 ) the cumulative total return assumes reinvestment of dividends . ( 2 ) the total return is weighted according to market capitalization of each company at the beginning of each year . ( f ) purchases of equity securities by the issuer and affiliated purchasers we have not repurchased any of our common stock since the company filed its initial registration statement on march 16 , ( g ) securities authorized for issuance under equity compensation plans a description of securities authorized for issuance under our equity compensation plans will be incorporated herein by reference to the proxy statement for the 2012 annual meeting of stockholders to be filed within 120 days after the end of the company 2019s fiscal year . item 6 . selected financial data .
( 1 ) long-term debt does not include amounts payable to our former parent as of and before december 31 , 2010 , as these amounts were due upon demand and included in current liabilities . ( 2 ) free cash flow is a non-gaap financial measure and represents cash from operating activities less capital expenditures . see liquidity and capital resources in item 7 for more information on this measure. .
Year Ended December 31
($ in millions, except per share amounts) 2011 2010 2009 2008 2007
Sales and Service Revenues $6,575 $6,723 $6,292 $6,189 $5,692
Goodwill Impairment 290 0 0 2,490 0
Operating income (loss) 110 248 211 (2,354) 447
Net earnings (loss) (94) 135 124 (2,420) 276
Total assets 6,001 5,203 5,036 4,760 7,658
Long-term debt (1) 1,830 105 283 283 283
Total long-term obligations 3,757 1,559 1,645 1,761 1,790
Free cash flow (2) 331 168 (269) 121 364
Basic earnings (loss) per share $(1.93) $2.77 $2.54 $(49.61) $5.65
Diluted earnings (loss) per share $(1.93) $2.77 $2.54 $(49.61) $5.65
( $ in millions except per share amounts ) year ended december 31 2011 year ended december 31 2010 year ended december 31 2009 year ended december 31 2008 year ended december 31 2007
sales and service revenues $ 6575 $ 6723 $ 6292 $ 6189 $ 5692
goodwill impairment 290 0 0 2490 0
operating income ( loss ) 110 248 211 -2354 ( 2354 ) 447
net earnings ( loss ) -94 ( 94 ) 135 124 -2420 ( 2420 ) 276
total assets 6001 5203 5036 4760 7658
long-term debt ( 1 ) 1830 105 283 283 283
total long-term obligations 3757 1559 1645 1761 1790
free cash flow ( 2 ) 331 168 -269 ( 269 ) 121 364
basic earnings ( loss ) per share $ -1.93 ( 1.93 ) $ 2.77 $ 2.54 $ -49.61 ( 49.61 ) $ 5.65
diluted earnings ( loss ) per share $ -1.93 ( 1.93 ) $ 2.77 $ 2.54 $ -49.61 ( 49.61 ) $ 5.65
what was the increase in free cash flow achieved during 2011?