Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Net Cash Provided by Operating Activities
Net Cash Provided by Operating Activities	$ 68	$ 5,211
Property and equipment additions:
Flight equipment, including advance payments	(659)	(2,226)
Ground property and equipment, including technology	(559)	(694)
Proceeds from sale-leaseback transactions	465	0
Purchase of short-term investments	(4,955)	0
Redemption of short-term investments	654	206
Acquisition of strategic investments	(2,099)	(89)
Other, net	107	144
Net cash used in investing activities	(7,046)	(2,659)
Cash Flows from Financing Activities:
Payments on debt and finance lease obligations	(1,712)	(2,450)
Repurchase of common stock	(344)	(1,593)
Cash dividends	(260)	(461)
Proceeds from short-term obligations	3,261	1,750
Proceeds from long-term obligations	11,747	500
Proceeds from sale-leaseback transactions	2,306	0
Fuel card obligation	103
Fuel card obligation		(8)
Other, net	(35)	(9)
Net cash provided by/(used in) financing activities	15,066	(2,271)
Net Increase in Cash, Cash Equivalents and Restricted Cash Equivalents	8,088	281
Cash, cash equivalents and restricted cash equivalents at beginning of period	3,730	2,748
Cash, cash equivalents and restricted cash equivalents at end of period	11,818	3,029
Non-Cash Transactions:
Right-of-use assets acquired under operating leases	393	357
Flight and ground equipment acquired under finance leases	213	158
Operating leases converted to finance leases	0	189
Noncurrent Assets:
Total cash, cash equivalents and restricted cash equivalents	$ 11,818	$ 3,029