Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts

19.  Valuation and Qualifying Accounts (in millions)

	Balance  at Beginning of Year		Changes Charged  to Statement of Operations Accounts		Payments			Write-offs (Net of Recoveries)			Sales, Retirements and Transfers			Balance  at End of Year
Allowance for obsolescence of inventories
Year ended December 31, 2015	$	673	$	50	$	—		$	(4	)	$	9		$	728
Year ended December 31, 2014		547		142		—			(4	)		(12	)		673
Year ended December 31, 2013		546		24		—			(23	)		—			547
Allowance for uncollectible accounts
Year ended December 31, 2015	$	17	$	46	$	—		$	(22	)	$	—		$	41
Year ended December 31, 2014		41		6		—			(30	)		—			17
Year ended December 31, 2013		44		3		—			(6	)		—			41
Reserves for environmental remediation costs
Year ended December 31, 2015	$	10	$	—	$	(1	)	$	—		$	—		$	9
Year ended December 31, 2014		11		—		(1	)		—			—			10
Year ended December 31, 2013		13		2		(1	)		(3	)		—			11

American Airlines, Inc. [Member]

Valuation and Qualifying Accounts

17.  Valuation and Qualifying Accounts (in millions)

	Balance at Beginning of Year		Changes Charged to Statement of Operations Accounts		Payments			Write-offs (Net of Recoveries)			Sales, Retirements and  Transfers		Balance at End of Year
Allowance for obsolescence of inventories
Year ended December 31, 2015	$	638	$	42	$	—		$	—		$	9	$	689
Year ended December 31, 2014		504		135		—			(2	)		1		638
Year ended December 31, 2013		607		22		—			(125	)		—		504
Allowance for uncollectible accounts
Year ended December 31, 2015	$	14	$	45	$	—		$	(22	)	$	—	$	37
Year ended December 31, 2014		40		3		—			(29	)		—		14
Year ended December 31, 2013		49		2		—			(11	)		—		40
Reserves for environmental remediation costs
Year ended December 31, 2015	$	10	$	—	$	(1	)	$	—		$	—	$	9
Year ended December 31, 2014		11		—		(1	)		—			—		10
Year ended December 31, 2013		13		2		(1	)		(3	)		—		11