XML 75 R58.htm IDEA: XBRL DOCUMENT v3.3.1.900
Financial Derivative Instruments - Offsetting of Derivative Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Other Noncurrent Liabilities    
Offsetting Liabilities [Line Items]    
Net amounts of liabilities presented in the Balance Sheet (a) $ 74 $ 622
Fuel derivatives | Prepaid expenses and other current assets    
Offsetting Liabilities [Line Items]    
Gross amounts of recognized liabilities 26 0
Gross amounts offset in the Balance Sheet (26) 0
Net amounts of liabilities presented in the Balance Sheet (a) [1] 0 0
Fuel derivatives | Accrued Liabilities    
Offsetting Liabilities [Line Items]    
Gross amounts of recognized liabilities 2,380 1,432
Gross amounts offset in the Balance Sheet (1,737) (1,258)
Net amounts of liabilities presented in the Balance Sheet (a) [1] 643 174
Fuel derivatives | Other Noncurrent Liabilities    
Offsetting Liabilities [Line Items]    
Gross amounts of recognized liabilities 1,010 916
Gross amounts offset in the Balance Sheet (985) (355)
Net amounts of liabilities presented in the Balance Sheet (a) [1] 25 561
Interest rate derivatives | Other Noncurrent Liabilities    
Offsetting Liabilities [Line Items]    
Gross amounts of recognized liabilities 49 61
Gross amounts offset in the Balance Sheet 0 0
Net amounts of liabilities presented in the Balance Sheet (a) [1] $ 49 $ 61
[1] The net amounts of derivative assets and liabilities are reconciled to the individual line item amounts presented in the Consolidated Balance Sheet in Note 5.