Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,442	$ 2,762
Short-term investments	1,779	2,182
Receivables, less allowance for credit losses (2020 — $30; 2019 — $9)	792	1,364
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2020 — $446; 2019 — $425)	1,070	1,072
Prepaid expenses and other	822	814
Total current assets	7,905	8,194
Operating property and equipment:
Flight equipment	36,763	35,421
Other property and equipment	8,200	7,926
Purchase deposits for flight equipment	1,859	1,360
Total operating property and equipment	46,822	44,707
Less — Accumulated depreciation and amortization	(15,011)	(14,537)
Total operating property and equipment, net	31,811	30,170
Operating lease right-of-use assets	4,853	4,758
Other assets:
Goodwill	4,523	4,523
Intangibles, less accumulated amortization (2020 — $1,454; 2019 — $1,440)	2,945	3,009
Restricted cash	106	106
Notes receivable, less allowance for credit losses (2020 — $549)	149	671
Investments in affiliates and other, net	763	1,180
Total other assets	8,486	9,489
Total assets	53,055	52,611
Current liabilities:
Advance ticket sales	5,309	4,819
Accounts payable	2,436	2,703
Frequent flyer deferred revenue	1,355	2,440
Accrued salaries and benefits	1,647	2,271
Current maturities of long-term debt	4,055	1,407
Current maturities of finance leases	59	46
Current maturities of operating leases	688	686
Other	538	566
Total current liabilities	16,087	14,938
Long-term debt	13,198	13,145
Long-term obligations under finance leases	369	220
Long-term obligations under operating leases	5,060	4,946
Other liabilities and deferred credits:
Frequent flyer deferred revenue	4,133	2,836
Postretirement benefit liability	775	789
Pension liability	1,514	1,446
Deferred income taxes	1,322	1,736
Other	1,179	1,024
Total other liabilities and deferred credits	8,923	7,831
Commitments and contingencies
Stockholders' equity:
Preferred stock	0	0
Common stock at par, $0.01 par value; authorized 1,000,000,000 shares; outstanding 247,256,855 and 251,216,381 shares at March 31, 2020 and December 31, 2019, respectively	3	3
Additional capital invested	6,096	6,129
Retained earnings	7,991	9,716
Stock held in treasury, at cost	(3,901)	(3,599)
Accumulated other comprehensive loss	(771)	(718)
Total stockholders' equity	9,418	11,531
Total liabilities and stockholders' equity	53,055	52,611
United Airlines, Inc.
Current assets:
Cash and cash equivalents	3,436	2,756
Short-term investments	1,779	2,182
Receivables, less allowance for credit losses (2020 — $30; 2019 — $9)	792	1,364
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2020 — $446; 2019 — $425)	1,070	1,072
Prepaid expenses and other	822	814
Total current assets	7,899	8,188
Operating property and equipment:
Flight equipment	36,763	35,421
Other property and equipment	8,200	7,926
Purchase deposits for flight equipment	1,859	1,360
Total operating property and equipment	46,822	44,707
Less — Accumulated depreciation and amortization	(15,011)	(14,537)
Total operating property and equipment, net	31,811	30,170
Operating lease right-of-use assets	4,853	4,758
Other assets:
Goodwill	4,523	4,523
Intangibles, less accumulated amortization (2020 — $1,454; 2019 — $1,440)	2,945	3,009
Restricted cash	106	106
Notes receivable, less allowance for credit losses (2020 — $549)	149	671
Investments in affiliates and other, net	763	1,180
Total other assets	8,486	9,489
Total assets	53,049	52,605
Current liabilities:
Advance ticket sales	5,309	4,819
Accounts payable	2,436	2,703
Frequent flyer deferred revenue	1,355	2,440
Accrued salaries and benefits	1,647	2,271
Current maturities of long-term debt	4,055	1,407
Current maturities of finance leases	59	46
Current maturities of operating leases	688	686
Other	542	571
Total current liabilities	16,091	14,943
Long-term debt	13,198	13,145
Long-term obligations under finance leases	369	220
Long-term obligations under operating leases	5,060	4,946
Other liabilities and deferred credits:
Frequent flyer deferred revenue	4,133	2,836
Postretirement benefit liability	775	789
Pension liability	1,514	1,446
Deferred income taxes	1,350	1,763
Other	1,179	1,025
Total other liabilities and deferred credits	8,951	7,859
Commitments and contingencies
Stockholders' equity:
Common stock at par, $0.01 par value; authorized 1,000,000,000 shares; outstanding 247,256,855 and 251,216,381 shares at March 31, 2020 and December 31, 2019, respectively	0	0
Additional capital invested	10	0
Retained earnings	10,302	12,353
Accumulated other comprehensive loss	(771)	(718)
Receivable from related parties	(161)	(143)
Total stockholders' equity	9,380	11,492
Total liabilities and stockholders' equity	$ 53,049	$ 52,605