Financial Instruments And Risk Management Financial Instruments and Risk Management (Offsetting Disclosure) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Derivative [Line Items]
Gross Asset	$ 109	[1]	$ 65	[1]
Gross Liability	0	[2]	0	[2]
Net Recognized Asset (Liability) in Balance Sheet	109		65
Financial Instruments	0		0
Cash Collateral Received (Posted)	0	[3]	0	[3]
Net Amount	109		65
AA [Member]
Derivative [Line Items]
Gross Asset	109	[4]	65	[4]
Gross Liability	0	[5]	0	[5]
Net Recognized Asset (Liability) in Balance Sheet	109		65
Financial Instruments	0		0
Cash Collateral Received (Posted)	0	[6]	0	[6]
Net Amount	$ 109		$ 65

[1] Fuel derivative assets are included in Fuel derivative contracts on the accompanying Consolidated Balance Sheets.

[2] Fuel derivative liabilities are included in Accrued liabilities on the accompanying Consolidated Balance Sheets.

[3] As of December 31, 2013, the Company had posted cash collateral of an immaterial amount.

[4] Fuel derivative assets are included in Fuel derivative contracts on American's Consolidated Balance Sheets.

[5] Fuel derivative liabilities are included in Accrued liabilities on American's Consolidated Balance Sheets.

[6] As of December 31, 2013, American had posted cash collateral of an immaterial amount.