CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net Income	$ (143)	$ (131)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	102	97
Stock-based compensation and other	5	12
Special items - Impairment charges and other	75	18
Restructuring Charges	0	11
Changes in certain assets and liabilities:
Changes in deferred tax provision	(58)	39
Increase (Decrease) in Accounts Receivable	(112)	(37)
Increase (Decrease) in Contract with Customer, Liability	480	224
Increase in deferred revenue	74	48
Other - net	(136)	(36)
Net cash provided by operating activities	287	167
Property and equipment additions:
Aircraft and aircraft purchase deposits	(207)	(3)
Other flight equipment	(24)	(11)
Other property and equipment	(57)	(13)
Total property and equipment additions, including capitalized interest	(288)	(27)
Purchases of marketable securities	(552)	(1,243)
Sales and maturities of marketable securities	880	732
Other investing activities	(1)	(5)
Net cash used in investing activities	39	(543)
Cash flows from financing activities:
Proceeds from issuance of debt	0	189
Long-term debt payments	(170)	(115)
Other financing activities	2	8
Net cash provided by (used in) financing activities	(168)	82
Net increase in cash, cash equivalents, and restricted cash	158	(294)
Cash, cash equivalents, and restricted cash at beginning of year	494	1,386
Cash, cash equivalents, and restricted cash at end of the period	652	1,092
Cash paid during the period for:
Interest (net of amount capitalized)	35	50
Income taxes		0
Non-cash transactions:
Right-of-use assets acquired through operating leases	158	75
Reconciliation of cash, cash equivalents, and restricted cash at end of the period
Cash and cash equivalents	628	1,076
Restricted cash included in Prepaid expenses, assets held-for-sale and other current assets	24	16
Total cash, cash equivalents, and restricted cash at end of the period	$ 652	$ 1,092