The following table summarizes Ashland’s current and long-term debt as of the dates reported in the Condensed Consolidated Balance Sheets.

(In millions)	December 31, 2018			September 30, 2018
4.750% notes, due 2022	$	1,083		$	1,083
Term Loan B, due 2024		591			593
6.875% notes, due 2043		376			376
Term Loan A, due 2022		195			195
Accounts receivable securitizations		195			195
6.50% junior subordinated notes, due 2029		53			52
Revolving credit facility		—			25
Medium-term notes, due 2019, interest of 9.4%		5			5
Other (a)		6			5
Total debt		2,504			2,529
Short-term debt (includes current portion of long-term debt)		(229	)		(254	)
Long-term debt (less current portion)	$	2,275		$	2,275

(a)

Includes $20 million and $21 million of debt issuance cost discounts as of December 31, 2018 and September 30, 2018, respectively, in addition to a European short-term loan facility with an outstanding balance of $23 million at both December 31, 2018 and September 30, 2018.

The scheduled aggregate maturities of long-term debt by year (including the current portion and excluding debt issuance costs) are as follows: $10 million remaining in 2019, $6 million in 2020, $13 million in 2021, $1,279 million in 2022 and $6 million in 2023.

The borrowing capacity remaining under the 2017 $800 million Revolving Credit Facility was $752 million due to a reduction of $48 million for letters of credit outstanding as of December 31, 2018. Ashland's total borrowing capacity at December 31, 2018 was $793 million, which included $41 million of available capacity from the two accounts receivable securitization facilities.

Ashland's debt contains usual and customary representations, warranties and affirmative and negative covenants, including financial covenants for leverage and interest coverage ratios, limitations on liens, additional subsidiary indebtedness, restrictions on subsidiary distributions, investments, mergers, sale of assets and restricted payments and other customary limitations. As of December 31, 2018, Ashland is in compliance with all debt agreement covenant restrictions.

The maximum consolidated net leverage ratio permitted under Ashland's most recent credit agreement (the 2017 Credit Agreement) is 4.5. At December 31, 2018, Ashland’s calculation of the consolidated net leverage ratio was 3.5.

The minimum required consolidated interest coverage ratio under the 2017 Credit Agreement during its entire duration is 3.0. At December 31, 2018, Ashland’s calculation of the interest coverage ratio was 5.5.