Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts

15.  Valuation and Qualifying Accounts (in millions)

	Balance at Beginning of Year		Changes Charged to Statement of Operations Accounts		Write-offs (Net of Recoveries)			Sales, Retirements and Transfers			Balance at End of Year
Allowance for obsolescence of inventories
Year ended December 31, 2016	$	728	$	37	$	(3	)	$	3		$	765
Year ended December 31, 2015		673		50		(4	)		9			728
Year ended December 31, 2014		547		142		(4	)		(12	)		673
Allowance for uncollectible accounts
Year ended December 31, 2016	$	41	$	47	$	(52	)	$	—		$	36
Year ended December 31, 2015		17		46		(22	)		—			41
Year ended December 31, 2014		41		6		(30	)		—			17

American Airlines, Inc. [Member]

Valuation and Qualifying Accounts

13.  Valuation and Qualifying Accounts (in millions)

	Balance at Beginning of Year		Changes Charged to Statement of Operations Accounts		Write-offs (Net of Recoveries)			Sales, Retirements and Transfers		Balance at End of Year
Allowance for obsolescence of inventories
Year ended December 31, 2016	$	689	$	28	$	—		$	3	$	720
Year ended December 31, 2015		638		42		—			9		689
Year ended December 31, 2014		504		135		(2	)		1		638
Allowance for uncollectible accounts
Year ended December 31, 2016	$	37	$	47	$	(49	)	$	—	$	35
Year ended December 31, 2015		14		45		(22	)		—		37
Year ended December 31, 2014		40		3		(29	)		—		14