DERIVATIVE INSTRUMENTS (TABLES)

3 Months Ended

Mar. 31, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

Fair values of derivative instruments on the consolidated balance sheet (in millions):

	March 31, 2013			December 31, 2012
Derivative Instruments Not Designated as Hedges
Fuel hedge contracts
Fuel hedge contracts, current assets	$	21		$	26
Fuel hedge contracts, noncurrent assets	23			39
Fuel hedge contracts, current liabilities	(4		)	(1		)
Derivative Instruments Designated as Hedges
Interest rate swaps
Other accrued liabilities	(6		)	(6		)
Other liabilities	(23		)	(27		)
Losses in accumulated other comprehensive loss (AOCL)	(29		)	(33		)

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

Pretax effect of derivative instruments on earnings (in millions):

	Three Months Ended March 31,
	2013			2012
Derivative Instruments Not Designated as Hedges
Fuel hedge contracts
Gains (losses) recognized in aircraft fuel expense	$	(24	)	$	19
Derivative Instruments Designated as Hedges
Interest rate swaps
Losses recognized in aircraft rent	(1		)	(2		)
Gains (losses) recognized in other comprehensive income (OCI)	3			2