DEBT (Tables)

9 Months Ended

Sep. 30, 2023

Debt Disclosure [Abstract]

Schedule of debt

Summary of outstanding debt by category
	Maturity			Interest Rate(s) Per Annum at			September 30,		December 31,
(in millions)	Dates			September 30, 2023			2023		2022
Unsecured Payroll Support Program Loans	2030	to	2031	1.00%			$	3,496	$	3,496
Unsecured notes	2024	to	2029	2.90%	to	7.38%	2,590		2,997
Financing arrangements secured by SkyMiles assets:
SkyMiles Notes(1)	2023	to	2028	4.50%	and	4.75%	4,655		5,144
SkyMiles Term Loan(1)(2)	2023	to	2027	9.08%			1,882		2,820
NYTDC Special Facilities Revenue Bonds(1)	2024	to	2045	4.00%	to	5.00%	2,778		2,838
Financing arrangements secured by aircraft:
Certificates(1)	2023	to	2028	2.00%	to	8.00%	1,632		1,802
Notes(1)(2)	2023	to	2033	6.76%	to	8.00%	173		813
Financing arrangements secured by slots, gates and/or routes:
2020 Senior Secured Notes	2025			7.00%			838		1,542
2018 Revolving Credit Facility(2)	2024	to	2025	Undrawn			—		—
Other financings(1)(2)	2023	to	2030	2.51%	to	5.00%	67		67
Other revolving credit facilities(2)	2023	to	2024	Undrawn			—		—
Total secured and unsecured debt							$	18,111	$	21,519
Unamortized (discount)/premium and debt issue cost, net and other							(83)		(138)
Total debt							$	18,028	$	21,381
Less: current maturities							(1,681)		(2,055)
Total long-term debt							$	16,347	$	19,326

(1)Due in installments during the years shown above.

(2)Certain financings are comprised of variable rate debt. All variable rates are equal to Secured Overnight Financing Rate ("SOFR") (generally subject to a floor) or another index rate, plus a specified margin.

Schedule of estimated fair value of debt instruments

The fair value of debt shown below is principally based on reported market values, recently completed market transactions and estimates based on interest rates, maturities, credit risk and underlying collateral. Debt is primarily classified as Level 2 within the fair value hierarchy.

Fair value of outstanding debt
(in millions)	September 30, 2023		December 31, 2022
Net carrying amount	$	18,028	$	21,381
Fair value	$	17,300	$	20,700