A summary of long-term debt at June 30, 2019 and December 31, 2018, including related interest rates at June 30, 2019, follows (dollars in millions):


	June 30, 2019			December 31, 2018
Senior secured asset-based revolving credit facility	$	—		$	3,040
Senior secured revolving credit facility		—			—
Senior secured term loan facilities (effective interest rate of 3.6%)		3,752			3,801
Senior secured notes (effective interest rate of 5.4%)		18,800			13,800
Other senior secured debt (effective interest rate of 5.5%)		641			585

Senior secured debt		23,193			21,226
Senior unsecured notes (effective interest rate of 6.3%)		13,252			11,752
Debt issuance costs and discounts		(252	)		(157	)

Total debt (average life of 8.2 years, rates averaging 5.5%)		36,193			32,821
Less amounts due within one year		2,073			788

	$	34,120		$	32,033

During January 2019, we issued $1.500 billion aggregate principal amount of senior unsecured notes comprised of $1.000 billion aggregate principal amount of 5.875% notes due 2029 and $500 million aggregate principal amount of 5.625% notes due 2028. We used the net proceeds to fund the purchase of a seven-hospital health system located in western North Carolina.

During June 2019, we issued $5.000 billion aggregate principal amount of senior secured notes comprised of $2.000 billion aggregate principal amount of 4 1/8% notes due 2029, $1.000 billion aggregate principal amount of 5 1/8% notes due 2039 and $2.000

billion aggregate principal amount of

5 1/4

% notes due 2049.

During June 2019, we used the proceeds to temporarily reduce the balance under the asset-based revolving credit facility. During July 2019, we redeemed all $600 million outstanding aggregate principal amount of 4.25% senior secured notes due 2019, all $3.000 billion outstanding aggregate principal amount of 6.50% senior secured notes due 2020 and all $1.350 billion outstanding aggregate principal amount of 5.875% senior secured notes due 2022. Pretax losses on retirement of debt totaling $211 million for these redemptions will be recognized during the quarter ending September 30, 2019.