Debt

On February 20, 2015, we issued $750 of fixed rate senior notes consisting of $250 due March 1, 2025 that bear an annual interest rate of 2.5%, $250 due March 1, 2035 that bear an annual interest rate of 3.3%, and $250 due March 1, 2045 that bear an annual interest rate of 3.5%. The notes are unsecured senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $722, after deducting underwriting discounts, commissions and offering expenses.

On October 29, 2015, we issued $900 of fixed rate senior notes consisting of $350 due October 30, 2020 that bear an annual interest rate of 1.65%, $250 due October 30, 2022 that bear interest at the rate of 2.2%, and $300 due October 30, 2025 that bear interest at the rate of 2.6%. The notes are unsecured senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $881, after deducting underwriting discounts, commissions and offering expenses.

Interest incurred, including amounts capitalized, was $497, $504 and $548 for the years ended December 31, 2015, 2014 and 2013, respectively. Interest expense recorded by BCC is reflected as Boeing Capital interest expense on our Consolidated Statements of Operations. Total Company interest payments were $488, $511 and $551 for the years ended December 31, 2015, 2014 and 2013, respectively.

We have $4,980 currently available under credit line agreements, of which $2,465 is a 364-day revolving credit facility expiring in November 2016 and $2,365 expires in November 2020, $90 in November 2019, and $60 in November 2017. The 364-day credit facility has a one-year term out option which allows us to extend the maturity of any borrowings one year beyond the aforementioned expiration date. We continue to be in full compliance with all covenants contained in our debt or credit facility agreements.

Short-term debt and current portion of long-term debt at December 31 consisted of the following:



	2015		2014
Unsecured debt securities		$1,004		$755
Non-recourse debt and notes	36		38
Capital lease obligations	53		64
Other notes	141		72
Total		$1,234		$929

Debt at December 31 consisted of the following:



	2015		2014
Unsecured debt securities
Variable rate: 3-month USD LIBOR plus 12.5 basis points due 2017		$250		$250
0.95% - 4.88% due through 2045	5,075		4,223
5.88% - 6.88% due through 2043	2,381		2,394
7.25% - 8.75% due through 2043	1,645		1,657
Non-recourse debt and notes
6.98% - 7.38% notes due through 2021	163		201
Capital lease obligations due through 2024	150		161
Other notes	300		184
Total debt		$9,964		$9,070

Total debt is attributable to:



	2015		2014
BCC		$2,355		$2,412
Other Boeing	7,609		6,658
Total debt		$9,964		$9,070

At December 31, 2015, $163 of debt (non-recourse debt, notes and capital lease obligations) was collateralized by customer financing assets totaling $295.

Scheduled principal payments for debt and minimum capital lease obligations for the next five years are as follows:



	2016		2017		2018		2019		2020
Scheduled principal payments		$1,242		$368		$703		$1,248		$1,126