CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Cash and cash equivalents	$ 778	$ 470
Marketable securities	2,647	2,646
Total cash and marketable securities	3,425	3,116
Receivables - net	401	546
Inventories and supplies - net	93	62
Prepaid expenses, assets held-for-sale, and other current assets	313	196
Total Current Assets	4,232	3,920
Property and Equipment
Aircraft and other flight equipment	8,569	8,127
Other property and equipment	1,532	1,489
Deposits for future flight equipment	292	384
Property and Equipment Total	10,393	10,000
Less accumulated depreciation and amortization	3,922	3,862
Total Property and Equipment - Net	6,471	6,138
Operating Lease, Right-of-Use Asset	1,669	1,453
Goodwill	2,041	2,044
Other noncurrent assets	387	396
Other Assets	4,097	3,893
Total Assets	14,800	13,951
Current Liabilities
Accounts payable	286	200
Accrued wages, vacation and payroll taxes	416	457
Other accrued liabilities	794	625
Operating Lease, Liability, Current	274	268
Current portion of long-term debt	342	366
Total Current Liabilities	4,902	3,991
Long-Term Debt, Net of Current Portion	1,961	2,173
Noncurrent Liabilities
Operating Lease, Liability, Noncurrent	1,505	1,279
Deferred Income Tax Liabilities, Net	552	578
Deferred revenue, noncurrent	1,429	1,446
Obligation for pension and postretirement medical benefits	299	305
Other liabilities	353	378
Other Liabilities and Credits Totals	4,138	3,986
Commitments and Contingencies
Shareholders' Equity
Preferred stock, $0.01 par value, Authorized: 5,000,000 shares, none issued or outstanding	0	0
Common stock, $0.01 par value, Authorized: 400,000,000 shares, Issued: 2021 - 133,792,045 shares; 2020 - 133,567,534 shares, Outstanding: 2021 - 124,442,101 shares; 2020 - 124,217,590 shares	1	1
Capital in excess of par value	542	494
Treasury stock (common), at cost: 2020 - 9,349,944 shares; 2020 - 9,349,944 shares	(674)	(674)
Accumulated other comprehensive loss	(308)	(262)
Retained earnings	4,238	4,242
Total Shareholders' Equity	3,799	3,801
Total Liabilities and Shareholders' Equity	14,800	13,951
Mileage Plan Revenue [Member]
Current Liabilities
Contract with Customer, Liability, Current	1,012	912
Contract with Customer, Liability, Current	1,012	912
Passenger Revenue [Member]
Current Liabilities
Contract with Customer, Liability, Current	1,778	1,163
Contract with Customer, Liability, Current	$ 1,778	$ 1,163

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).