New Accounting Pronouncement and Changes in Accounting or Estimates (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Changes and Error Corrections [Abstract]

Schedule of New Changes in Accounting Principles - Chase Agreement

The estimated impacts on revenue and earnings from this change in accounting principle for the three months endedMarch 31, 2016 are as follows:

(in millions, except per share amounts)	Three months ended March 31, 2016
Passenger revenue	$	(54	)
Other revenue	169
Operating revenues	$	115
Net income	$	62
Net income per basic share	$	0.10
Net income per diluted share	$	0.09

Schedule of Change in Accounting Estimate - Depreciation

The estimated impacts on expense and earnings from this change in assumption for the three months endedMarch 31, 2016 are as follows:

(in millions, except per share amounts)	Three months ended March 31, 2016
Depreciation expense	$	28
Net income	$	(15	)
Net income per basic share	$	(0.02	)
Net income per diluted share	$	(0.02	)