Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 11,366	$ 2,882
Short-term investments	4,302	0
Accounts receivable, net of an allowance for uncollectible accounts of $121 and $13 at June 30, 2020 and December 31, 2019, respectively	1,375	2,854
Fuel inventory	353	730
Expendable parts and supplies inventories, net of an allowance for obsolescence of $135 and $82 at June 30, 2020 and December 31, 2019, respectively	494	521
Prepaid expenses and other	1,025	1,262
Total current assets	18,915	8,249
Noncurrent Assets:
Property and equipment, net of accumulated depreciation and amortization of $17,267 and $17,027 at June 30, 2020 and December 31, 2019, respectively	28,473	31,310
Operating lease right-of-use assets	5,650	5,627
Goodwill	9,753	9,781
Identifiable intangibles, net of accumulated amortization of $878 and $873 at June 30, 2020 and December 31, 2019, respectively	6,017	5,163
Cash restricted for airport construction	339	636
Equity investments	1,633	2,568
Other noncurrent assets	1,481	1,198
Total noncurrent assets	53,346	56,283
Total assets	72,261	64,532
Current Liabilities:
Current maturities of debt and finance leases	5,230	2,287
Current maturities of operating leases	732	801
Accounts payable	2,332	3,266
Accrued salaries and related benefits	1,809	3,701
Fuel card obligation	839	736
Other accrued liabilities	3,327	1,078
Total current liabilities	20,150	20,204
Noncurrent Liabilities:
Debt and finance leases	19,412	8,873
Pension, postretirement and related benefits	8,160	8,452
Noncurrent operating leases	5,371	5,294
Deferred income taxes, net	447	1,456
Other noncurrent liabilities	3,930	1,386
Total noncurrent liabilities	43,421	28,970
Commitments and Contingencies
Stockholders' Equity:
Common stock at $0.0001 par value; 1,500,000,000 shares authorized, 647,454,215 and 651,731,443 shares issued at June 30, 2020 and December 31, 2019, respectively	0	0
Additional paid-in capital	11,192	11,129
Retained earnings	5,706	12,454
Accumulated other comprehensive loss	(7,937)	(7,989)
Treasury stock, at cost, 9,597,469 and 8,959,730 shares at June 30, 2020 and December 31, 2019, respectively	(271)	(236)
Total stockholders' equity	8,690	15,358
Total liabilities and stockholders' equity	72,261	64,532
Air traffic
Current Liabilities:
Deferred revenue liability, current	4,686	5,116
Noncurrent Liabilities:
Deferred revenue liability, noncurrent	315	0
Loyalty program
Current Liabilities:
Deferred revenue liability, current	1,195	3,219
Noncurrent Liabilities:
Deferred revenue liability, noncurrent	$ 5,786	$ 3,509