Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,848	$ 1,694	[1]
Short-term investments	2,219	2,256	[1]
Receivables, less allowance for doubtful accounts (2019 — $8; 2018 — $8)	1,789	1,426	[1]
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2019 — $421; 2018 — $412)	972	985	[1]
Prepaid expenses and other	780	733	[1]
Total current assets	7,608	7,094	[1]
Operating property and equipment:
Flight equipment	33,705	32,599	[1]
Other property and equipment	7,165	6,889	[1]
Purchase deposits for flight equipment	1,455	1,177	[1]
Total operating property and equipment, at cost	42,325	40,665	[1]
Less — Accumulated depreciation and amortization	(13,739)	(13,266)	[1]
Total operating property and equipment, net	28,586	27,399	[1]
Operating lease right-of-use assets	5,065	5,262	[1]
Other assets:
Goodwill	4,523	4,523	[1]
Intangibles, less accumulated amortization (2019 — $1,395; 2018 — $1,380)	3,144	3,159	[1]
Restricted cash	103	105	[1]
Notes receivable, net	512	516	[1]
Investments in affiliates and other, net	1,098	966	[1]
Total other assets	9,380	9,269	[1]
Total assets	50,639	49,024	[1]
Current liabilities:
Advance ticket sales	6,006	4,381	[1]
Accounts payable	2,707	2,363	[1]
Frequent flyer deferred revenue	2,388	2,286	[1]
Accrued salaries and benefits	1,660	2,184	[1]
Current maturities of long-term debt	1,201	1,230	[1]
Current maturities of finance leases	133	123	[1]
Current maturities of operating leases	639	719	[1]
Other	601	553	[1]
Total current liabilities	15,335	13,839	[1]
Long-term debt	12,734	12,215	[1]
Long-term obligations under finance leases	236	224	[1]
Long-term obligations under operating leases	5,145	5,276	[1]
Other liabilities and deferred credits:
Frequent flyer deferred revenue	2,750	2,719	[1]
Postretirement benefit liability	1,287	1,295	[1]
Pension liability	1,454	1,576	[1]
Deferred income taxes	898	828	[1]
Other	998	1,010	[1]
Total other liabilities and deferred credits	7,387	7,428	[1]
Commitments and contingencies			[1]
Stockholders' equity:
Preferred stock	0	0	[1]
Common stock	3	3	[1]
Additional capital invested	6,080	6,120	[1]
Retained earnings	6,999	6,715	[1]
Stock held in treasury, at cost	(2,487)	(1,993)	[1]
Accumulated other comprehensive loss	(793)	(803)	[1]
Total stockholders' equity	9,802	10,042	[1],[2]
Total liabilities and stockholders' equity	50,639	49,024	[1]
United Airlines, Inc.
Current assets:
Cash and cash equivalents	1,842	1,688	[3]
Short-term investments	2,219	2,256	[3]
Receivables, less allowance for doubtful accounts (2019 — $8; 2018 — $8)	1,789	1,426	[3]
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2019 — $421; 2018 — $412)	972	985	[3]
Prepaid expenses and other	780	733	[3]
Total current assets	7,602	7,088	[3]
Operating property and equipment:
Flight equipment	33,705	32,599	[3]
Other property and equipment	7,165	6,889	[3]
Purchase deposits for flight equipment	1,455	1,177	[3]
Total operating property and equipment, at cost	42,325	40,665	[3]
Less — Accumulated depreciation and amortization	(13,739)	(13,266)	[3]
Total operating property and equipment, net	28,586	27,399	[3]
Operating lease right-of-use assets	5,065	5,262	[3]
Other assets:
Goodwill	4,523	4,523	[3]
Intangibles, less accumulated amortization (2019 — $1,395; 2018 — $1,380)	3,144	3,159	[3]
Restricted cash	103	105	[3]
Notes receivable, net	512	516	[3]
Investments in affiliates and other, net	1,098	966	[3]
Total other assets	9,380	9,269	[3]
Total assets	50,633	49,018	[3]
Current liabilities:
Advance ticket sales	6,006	4,381	[3]
Accounts payable	2,707	2,363	[3]
Frequent flyer deferred revenue	2,388	2,286	[3]
Accrued salaries and benefits	1,660	2,184	[3]
Current maturities of long-term debt	1,201	1,230	[3]
Current maturities of finance leases	133	123	[3]
Current maturities of operating leases	639	719	[3]
Other	606	558	[3]
Total current liabilities	15,340	13,844	[3]
Long-term debt	12,734	12,215	[3]
Long-term obligations under finance leases	236	224	[3]
Long-term obligations under operating leases	5,145	5,276	[3]
Other liabilities and deferred credits:
Frequent flyer deferred revenue	2,750	2,719	[3]
Postretirement benefit liability	1,287	1,295	[3]
Pension liability	1,454	1,576	[3]
Deferred income taxes	925	855	[3]
Other	999	1,010	[3]
Total other liabilities and deferred credits	7,415	7,455	[3]
Commitments and contingencies			[3]
Stockholders' equity:
Common stock	0	0	[3]
Additional capital invested	84	598	[3]
Retained earnings	10,612	10,319	[3]
Accumulated other comprehensive loss	(793)	(803)	[3]
Receivable from related parties	(140)	(110)	[3]
Total stockholders' equity	9,763	10,004	[3],[4]
Total liabilities and stockholders' equity	$ 50,633	$ 49,018	[3]

[1] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[2] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[3] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

[4] Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.The accompanying Combined Notes to Condensed Consolidated Financial Statements are an integral part of these statements.