[["( dollar amounts in millions )", "maturity amount", "unamortized discount", "carrying value", "fair value"], ["floating rate notes due 2013", "$ 750", "$ 2014", "$ 750", "$ 750"], ["3.50% ( 3.50 % ) notes due 2014", "1000", "2014", "1000", "1058"], ["1.375% ( 1.375 % ) notes due 2015", "750", "2014", "750", "762"], ["6.25% ( 6.25 % ) notes due 2017", "700", "-3 ( 3 )", "697", "853"], ["5.00% ( 5.00 % ) notes due 2019", "1000", "-2 ( 2 )", "998", "1195"], ["4.25% ( 4