human
the aes corporation notes to consolidated financial statements 2014 (continued) december 31, 2011, 2010, and 2009 (1) weighted average interest rate at december 31, 2011. (2) the company has interest rate swaps and interest rate option agreements in an aggregate notional principal amount of approximately $3.6 billion on non-recourse debt outstanding at december 31, 2011. the swap agreements economically change the variable interest rates on the portion of the debt covered by the notional amounts to fixed rates ranging from approximately 1.44% (1.44%) to 6.98% (6.98%). the option agreements fix interest rates within a range from 1.00% (1.00%) to 7.00% (7.00%). the agreements expire at various dates from 2016 through 2028. (3) multilateral loans include loans funded and guaranteed by bilaterals, multilaterals, development banks and other similar institutions. (4) non-recourse debt of $704 million and $945 million as of december 31, 2011 and 2010, respectively, was excluded from non-recourse debt and included in current and long-term liabilities of held for sale and discontinued businesses in the accompanying consolidated balance sheets. non-recourse debt as of december 31, 2011 is scheduled to reach maturity as set forth in the table below: december 31, annual maturities (in millions).
| December 31, | Annual  Maturities  (in millions) |
| --------- | --------- |
| 2012 | $2,152 |
| 2013 | 1,389 |
| 2014 | 1,697 |
| 2015 | 851 |
| 2016 | 2,301 |
| Thereafter | 7,698 |
| Total non-recourse debt | $16,088 |
as of december 31, 2011, aes subsidiaries with facilities under construction had a total of approximately $1.4 billion of committed but unused credit facilities available to fund construction and other related costs. excluding these facilities under construction, aes subsidiaries had approximately $1.2 billion in a number of available but unused committed revolving credit lines to support their working capital, debt service reserves and other business needs. these credit lines can be used in one or more of the following ways: solely for borrowings; solely for letters of credit; or a combination of these uses. the weighted average interest rate on borrowings from these facilities was 14.75% (14.75%) at december 31, 2011. on october 3, 2011, dolphin subsidiary ii, inc. (201cdolphin ii 201d), a newly formed, wholly-owned special purpose indirect subsidiary of aes, entered into an indenture (the 201cindenture 201d) with wells fargo bank, n.a. (the 201ctrustee 201d) as part of its issuance of $450 million aggregate principal amount of 6.50% (6.50%) senior notes due 2016 (the 201c2016 notes 201d) and $800 million aggregate principal amount of 7.25% (7.25%) senior notes due 2021 (the 201c7.25% (201c7.25%) 2021 notes 201d, together with the 2016 notes, the 201cnotes 201d) to finance the acquisition (the 201cacquisition 201d) of dpl. upon closing of the acquisition on november 28, 2011, dolphin ii was merged into dpl with dpl being the surviving entity and obligor. the 2016 notes and the 7.25% (7.25%) 2021 notes are included under 201cnotes and bonds 201d in the non-recourse detail table above. see note 23 2014acquisitions and dispositions for further information. interest on the 2016 notes and the 7.25% (7.25%) 2021 notes accrues at a rate of 6.50% (6.50%) and 7.25% (7.25%) per year, respectively, and is payable on april 15 and october 15 of each year, beginning april 15, 2012. prior to september 15, 2016 with respect to the 2016 notes and july 15, 2021 with respect to the 7.25% (7.25%) 2021 notes, dpl may redeem some or all of the 2016 notes or 7.25% (7.25%) 2021 notes at par, plus a 201cmake-whole 201d amount set forth in.
Please compute the result.
what is the total amount available under the committed credit facilities as of december 31, 2011, in billions?
assistant
2.6
human
and as of that same date, how much did the non-recourse debt due in 2014 represent in relation to the total debt, in percentage?
assistant
0.10548