Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Passenger:
Mainline	$ 7,699	$ 7,471	$ 14,103	$ 13,915
Regional carriers	1,532	1,499	2,816	2,817
Total passenger revenue	9,231	8,970	16,919	16,732
Cargo	183	165	343	327
Other	1,377	1,312	2,677	2,639
Total operating revenue	10,791	10,447	19,939	19,698
Operating Expense:
Salaries and related costs	2,616	2,391	5,089	4,702
Aircraft fuel and related taxes	1,448	1,228	2,688	2,455
Regional carriers expense	1,081	1,096	2,191	2,102
Depreciation and amortization	535	470	1,075	956
Contracted services	543	484	1,066	960
Aircraft maintenance materials and outside repairs	475	446	993	895
Passenger commissions and other selling expenses	458	437	862	825
Landing fees and other rents	379	376	744	724
Passenger service	271	221	491	410
Profit sharing	338	324	489	596
Aircraft rent	86	66	170	132
Other	533	485	1,000	978
Total operating expense	8,763	8,024	16,858	15,735
Operating Income	2,028	2,423	3,081	3,963
Non-Operating Expense:
Interest expense, net	(103)	(93)	(197)	(200)
Miscellaneous, net	(34)	20	(78)	21
Total non-operating expense, net	(137)	(73)	(275)	(179)
Income Before Income Taxes	1,891	2,350	2,806	3,784
Income Tax Provision	(667)	(804)	(979)	(1,292)
Net Income	$ 1,224	$ 1,546	$ 1,827	$ 2,492
Basic Earnings Per Share (in USD per share)	$ 1.68	$ 2.04	$ 2.51	$ 3.25
Diluted Earnings Per Share (in USD per share)	1.68	2.03	2.50	3.23
Cash Dividends Declared Per Share (in USD per share)	$ 0.20	$ 0.14	$ 0.41	$ 0.27
Comprehensive Income	$ 1,246	$ 1,546	$ 1,914	$ 2,488