X- I/A •fable of Contents FIRST DATA CORPORATION NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (Continued) Foreign Lines of Credit and Other Arrangements MC had approximately $349 million and $265 million available under short-term lines of credit and other arrangements with foreign banks and alliance partners primarily to fund settlement activity, as of December 31, 2014 and 2013, respectively. As of December 31, 2014, the Company had a $150 million committed line of credit for one of its U.S. alliances and the remainder of these arrangements is primarily associated with international operations and arc in various functional currencies, the most significant of which are the Australian dollar, the Polish zloty, and the euro. Of the amounts outstanding as of December 31, 2014 and 2013, $67 million and $68 million were uncommitted. The weighted average interest rate associated with these arrangements was 3.2% and 3.8% for the years ended December 31, 2014 and 2013, hal tively. Commitment fees for the committed lines of credit range from 0.16% to 0.8%. Senior Secured Revoking Credit Facility As of December 31, 2014, FDC's senior secured revolving credit facility had commitments from financial institutions to provide approximately $1.0 billion of credit_ The revolving credit facility matures on September 24. 2016. FDC had $10 million and $0 million outstanding against this facility as of December 31, 2014 and 2013, isapectively. Up to $500 million of the senior secured revolving credit facility is available for letters of credit of which $43 million and $46 million of letters of credit were issued under the facility as of December 31, 2014 and 2013, respectively. As of December 31, 2014, $964 million remained available. Interest is payable at a rate equal to, at FDC's option, either (a) London Interbank Offered Rate (LIBOR) for deposits in the applicable currency plus an applicable margin or (b) the higher of (1) the prime rate of Credit Suisse and