Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost (Income)

The following table provides the components of net periodic benefit cost (income) (in millions):

	Pension Benefits						Retiree Medical and Other Postretirement Benefits
Three Months Ended March 31,	2018			2017			2018			2017
Service cost	$	1		$	1		$	1		$	1
Interest cost	169			180			9			10
Expected return on assets	(226		)	(197		)	(6		)	(5		)
Amortization of:
Prior service cost (benefit)	7			7			(59		)	(59		)
Unrecognized net loss (gain)	36			36			(5		)	(6		)
Net periodic benefit cost (income)	$	(13	)	$	27		$	(60	)	$	(59	)

American Airlines, Inc. [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost (Income)

The following table provides the components of net periodic benefit cost (income) (in millions):

	Pension Benefits						Retiree Medical and Other Postretirement Benefits
Three Months Ended March 31,	2018			2017			2018			2017
Service cost	$	1		$	—		$	1		$	1
Interest cost	168			180			9			10
Expected return on assets	(225		)	(196		)	(6		)	(5		)
Amortization of:
Prior service cost (benefit)	7			7			(59		)	(59		)
Unrecognized net loss (gain)	36			36			(5		)	(6		)
Net periodic benefit cost (income)	$	(13	)	$	27		$	(60	)	$	(59	)