Long Term Debt (Details 1)	12 Months Ended
	Dec. 31, 2013
2011 Credit Facilities [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description	Minimum Fixed Charge Coverage Ratio 1.20:1; Minimum Unrestricted Liquidity - Unrestricted cash and permitted investments $1.0 billion, Unrestricted cash, permitted investments, and undrawn revolving credit facilities $2.0 billion; Minimum Collateral Coverage Ratio 1.67:1; Excluding the non-Pacific international routes from the collateral for purposes of the calculation, the required minimum collateral coverage ratio is 0.75:1
Pacific Facilities [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Description	Minimum Fixed Charge Coverage Ratio 1.20:1; Minimum Unrestricted Liquidity - Unrestricted cash, permitted investments, and undrawn revolving credit facilities $2.0 billion; Minimum Collateral Coverage Ratio 1.60:1