management 2019s discussion and analysis of financial condition and results of operations comcast corporation and subsidiaries28 comcast corporation and subsidiaries the exchangeable notes varies based upon the fair market value of the security to which it is indexed . the exchangeable notes are collateralized by our investments in cablevision , microsoft and vodafone , respectively . the comcast exchangeable notes are collateralized by our class a special common stock held in treasury . we have settled and intend in the future to settle all of the comcast exchangeable notes using cash . during 2004 and 2003 , we settled an aggregate of $ 847 million face amount and $ 638 million face amount , respectively , of our obligations relating to our notes exchangeable into comcast stock by delivering cash to the counterparty upon maturity of the instruments , and the equity collar agreements related to the underlying shares expired or were settled . during 2004 and 2003 , we settled $ 2.359 billion face amount and $ 1.213 billion face amount , respectively , of our obligations relating to our exchangeable notes by delivering the underlying shares of common stock to the counterparty upon maturity of the investments . as of december 31 , 2004 , our debt includes an aggregate of $ 1.699 billion of exchangeable notes , including $ 1.645 billion within current portion of long-term debt . as of december 31 , 2004 , the securities we hold collateralizing the exchangeable notes were sufficient to substantially satisfy the debt obligations associated with the outstanding exchangeable notes . stock repurchases . during 2004 , under our board-authorized , $ 2 billion share repurchase program , we repurchased 46.9 million shares of our class a special common stock for $ 1.328 billion . we expect such repurchases to continue from time to time in the open market or in private transactions , subject to market conditions . refer to notes 8 and 10 to our consolidated financial statements for a discussion of our financing activities . investing activities net cash used in investing activities from continuing operations was $ 4.512 billion for the year ended december 31 , 2004 , and consists primarily of capital expenditures of $ 3.660 billion , additions to intangible and other noncurrent assets of $ 628 million and the acquisition of techtv for approximately $ 300 million . capital expenditures . our most significant recurring investing activity has been and is expected to continue to be capital expendi- tures . the following table illustrates the capital expenditures we incurred in our cable segment during 2004 and expect to incur in 2005 ( dollars in millions ) : .
what percentage of total cable segment capital expenditures in 2005 where due to upgrading of cable systems?
the amount of our capital expenditures for 2005 and for subsequent years will depend on numerous factors , some of which are beyond our control , including competition , changes in technology and the timing and rate of deployment of new services . additions to intangibles . additions to intangibles during 2004 primarily relate to our investment in a $ 250 million long-term strategic license agreement with gemstar , multiple dwelling unit contracts of approximately $ 133 million and other licenses and software intangibles of approximately $ 168 million . investments . proceeds from sales , settlements and restructurings of investments totaled $ 228 million during 2004 , related to the sales of our non-strategic investments , including our 20% ( 20 % ) interest in dhc ventures , llc ( discovery health channel ) for approximately $ 149 million . we consider investments that we determine to be non-strategic , highly-valued , or both to be a source of liquidity . we consider our investment in $ 1.5 billion in time warner common-equivalent preferred stock to be an anticipated source of liquidity . we do not have any significant contractual funding commitments with respect to any of our investments . refer to notes 6 and 7 to our consolidated financial statements for a discussion of our investments and our intangible assets , respectively . off-balance sheet arrangements we do not have any significant off-balance sheet arrangements that are reasonably likely to have a current or future effect on our financial condition , results of operations , liquidity , capital expenditures or capital resources. .