CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net Income	$ 508	$ 316	$ 245
Adjustments to reconcile net income to net cash provided by operating activities:
Special Revenue Adjustment	(192)	0	0
Depreciation and amortization	270	264	247
Stock-based compensation and other	32	10	17
Changes in certain assets and liabilities:
Changes in fair values of open fuel hedge contracts	45	43	14
Changes in deferred income taxes	146	94	145
Increase (Decrease) in Other Current Liabilities	70	34	(20)
Increase (decrease) in air traffic liability	29	45	67
Increase (decrease) in deferred revenue	84	33	7
Increase (decrease) in other long-term liabilities	(14)	4	70
Increase (Decrease) in Pension Plan Obligations	62	71	36
Other - net	28	(47)	9
Pension contribution	(87)	(114)	(141)
Net cash provided by operating activities	981	753	696
Property and equipment additions:
Aircraft and aircraft purchase deposits	(487)	(455)	(318)
Other flight equipment	(41)	(24)	(35)
Other property and equipment	(38)	(39)	(34)
Total property and equipment additions	(566)	(518)	(387)
Assets constructed for others (Terminal 6 at LAX)	0	(56)	(109)
Purchases of marketable securities	(1,218)	(1,130)	(884)
Sales and maturities of marketable securities	1,089	1,048	956
Proceeds from disposition of assets and changes in restricted deposits	(3)	11	21
Net cash used in investing activities	(698)	(645)	(403)
Cash flows from financing activities:
Proceeds from Issuance of Debt	0	0	107
Proceeds from sale-leaseback transactions, net	0	49	0
Long-term debt payments	(161)	(275)	(334)
Common stock repurchases	(159)	(60)	(80)
Payments of Dividends	(28)	0	0
Proceeds and tax benefit from issuance of common stock	24	31	19
Terminal 6 at LAX reimbursement	2	178	4
Other financing activities	(3)	(11)	3
Net cash used in financing activities	(325)	(88)	(281)
Net increase (decrease) in cash and cash equivalents	(42)	20	12
Cash and cash equivalents at beginning of year	122	102	90
Cash and cash equivalents at end of year	80	122	102
Cash paid during the year for:
Interest (net of amount capitalized)	35	46	74
Income taxes	$ 149	$ 78	$ 8