Bristol-Myers Squibb  Available-For-Sale Securities and Cash Equivalents The following table summarizes available-for-sale securities at December 31, 2012 and 2011:  The following table summarizes the classification of available-for-sale securities in the consolidated balance sheet:  Money market funds and other securities aggregating $1,288 million and $5,469 million at December 31, 2012 and 2011, respectively,  were included in cash and cash equivalents and valued using Level 2 inputs. Cash and cash equivalents maintained in foreign  currencies were $493 million at December 31, 2012 and are subject to currency rate risk.  At December 31, 2012, $3,512 million of non-current available for sale corporate debt securities and FRS mature within five years. All auction rate securities mature beyond 10 years.  The change in fair value for the investments in equity and fixed income funds are recognized in other income/expense and are  designed to offset the changes in fair value of certain employee retirement benefits. 50 Unrealized Unrealized  Gain in Loss in  Gain/(Loss) Amortized  Accumulated Accumulated in  Fair  Fair Value  Dollars in Millions Cost  OCI  OCI  Income  Value   Level 1  Level 2  Level 3  December 31, 2012  Marketable Securities: Certificates of Deposit  $  34 $  - $  - $  - $ 34 $   - $  34 $  - Corporate Debt Securities  4,305  72  -  -  4,377  -  4,377 U.S. Treasury Securities  150  -  150  150  -  - Equity Funds   52  -  5  57  -  57 Fixed Income Funds   47  -  -  47  47  - ARS   8  3  -  11  -  -  11 FRS   21  -  (1)  -  20  20 Total Marketable Securities   $   4,617 $ 75 $ (1) $ 5 $  4,696 $   150 $   4,515 $  31 December 31, 2011 Marketable Securities:  Certificates of Deposit  $   1,051 $  - $  - $  - $  1,051 $   - $   1,051 $  - Corporate Debt Securities  2,908  60  (3)  -  2,965  -  2,965 Commercial Paper  1,035  -  -  1,035  1,035  - U.S. Treasury Securities  400  2  -  402  402  - FDIC Insured Debt Securities   302  1  -  303  -  303  - ARS   80  12  -  92  -  92 FRS   21  -  (3)  18  -  18 Total Marketable Securities   $   5,797 $ 75 $ (6) $  - $  5,866 $   402 $   5,354 $  110 December 31, Dollars in Millions 2012 2011 Current Marketable Securities $  1,173  $  2,957 Non-current Marketable Securities   3,523   2,909 Total Marketable Securities  $  4,696  $  5,866 $_{Dollars in Millions}$  2012 2011 Fair value at January 1 $   110  $  110  Sales   (81)  -  Unrealized gains   2  Fair value at December 31  $   31  $  110  The following table summarizes the activity for financial assets utilizing Level 3 fair value measurements: 