Financial Instruments And Risk Management Financial Instruments and Risk Management (Offsetting Disclosure) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Derivative [Line Items]
Gross asset	$ 50	[1]	$ 109	[1]
Gross liability	0	[2]	0	[2]
Net recognized asset (liability) in condensed consolidated balance sheet	50		109
Financial instruments	0		0
Cash collateral received (posted)	0	[3]	0	[3]
Net amount	50		109
AA [Member]
Derivative [Line Items]
Gross asset	50	[1]	109	[1]
Gross liability	0	[2]	0	[2]
Net recognized asset (liability) in condensed consolidated balance sheet	50		109
Financial instruments	0		0
Cash collateral received (posted)	0	[4]	0	[4]
Net amount	$ 50		$ 109

[1] Fuel derivative assets are included in prepaid expenses and other on the accompanying condensed consolidated balance sheets.

[2] Fuel derivative liabilities are included in accrued liabilities on the accompanying condensed consolidated balance sheets.

[3] As of March 31, 2014, the Company had no posted cash collateral.

[4] As of March 31, 2014, American had no posted cash collateral.