EMPLOYEE RETIREMENT PLANS (Tables)

12 Months Ended

Dec. 31, 2012

Notes to Financial Statements [Abstract]

Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block]

(in millions)		2012		2011
APBO at beginning of period		$	107	$	91
	Service cost		20		17
	Interest cost		4		4
	Benefits paid		(5)		(5)
	Credit for prior service		17		-
	Acquisition of AirTran		-		3
	Actuarial (gain)/loss		5		(3)
APBO at end of period		$	148	$	107

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

(in millions)	1% increase		1% decrease
Increase (decrease) in total service and interest costs	$	3	$	(3)
Increase (decrease) in the APBO	$	11	$	(10)

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

(in millions)	2012		2011
Funded status	$	(148)	$	(107)
Unrecognized net actuarial gain		(44)		(53)
Unrecognized prior service cost		18		1
Accumulated other comprehensive income		26		52
Cost recognized on Consolidated Balance Sheet	$	(148)	$	(107)

Schedule of Net Benefit Costs [Table Text Block]

(in millions)	2012		2011		2010
Service cost	$	20	$	17	$	16
Interest cost		4		4		4
Recognized actuarial gain		(5)		(6)		(5)
Net periodic postretirement benefit cost	$	19	$	15	$	15

Schedule of Assumptions Used [Table Text Block]

		2012(2)		2011		2010
	Wtd-average discount rate	2.90	%	4.05	%	4.30	%
	Assumed healthcare cost trend rate(1)	8.00	%	7.50	%	7.50	%
(1)	The assumed healthcare cost trend rate is assumed to remain at 8.0% for 2013, then decline gradually to 5.0% by 2024 and remain
	level thereafter.
(2)	Includes AirTran plans.