New Accounting Pronouncements (Tables)

12 Months Ended

Dec. 31, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table provides the impact of applying the New Revenue Standard to the Company’s previously reported balances as of December 31, 2017:

	Balance as of December 31, 2017
(in millions)	As Reported		New Revenue Standard			As Recast
Accrued liabilities	$	1,777	$	(77	)	$	1,700
Air traffic liability	3,460		35			3,495
Air traffic liability - noncurrent	—		1,070			1,070
Deferred income taxes	2,358		(239		)	2,119
Retained earnings	14,621		(789		)	13,832

The impacts of applying the New Revenue Standard, the New Retirement Standard, and the New Hedging Standard to the Company’s Consolidated Statement of Income for the years ended December 31, 2017 and 2016, are as follows (amounts may not recalculate due to rounding):

	Year ended December 31, 2017
(in millions), except per share amounts	As Reported			New Revenue Standard			New Retirement Standard			New Hedging Standard			As Recast
Passenger revenue	$	19,141		$	622		$	—		$	—		$	19,763
Other revenue	1,857			(647		)	—			—			1,210
Salaries, wages, and benefits	7,319			—			(14		)	—			7,305
Fuel and oil expense	3,940			—			—			136			4,076
Other operating expenses	2,886			(39		)	—			—			2,847
Other (gains) losses, net	234			—			14			(136		)	112
Provision for income taxes	(237		)	145			—			—			(92		)
Net income	3,488			(131		)	—			—			3,357
Net income per share, basic	5.80			(0.22		)	—			—			5.58
Net income per share, diluted	5.79			(0.22		)	—			—			5.57

	Year ended December 31, 2016
(in millions), except per share amounts	As Reported		New Revenue Standard			New Retirement Standard			New Hedging Standard			As Recast
Passenger revenue	$	18,594	$	474		$	—		$	—		$	19,068
Other revenue	1,660		(610		)	—			—			1,050
Salaries, wages, and benefits	6,798		—			(12		)	—			6,786
Fuel and oil expense	3,647		—			—			154			3,801
Other operating expenses	2,743		(40		)	—			—			2,703
Other (gains) losses, net	162		—			12			(154		)	21
Provision for income taxes	1,303		(36		)	—			—			1,267
Net income	2,244		(60		)	—			—			2,183
Net income per share, basic	3.58		(0.10		)	—			—			3.48
Net income per share, diluted	3.55		(0.10		)	—			—			3.45

The impacts of applying the New Revenue Standard to the Company’s Consolidated Statement of Cash Flows for the years ended December 31, 2017 and 2016, are as follows (amounts may not recalculate due to rounding):

	Year ended December 31, 2017
(in millions)	As Reported			New Revenue Standard			As Recast
Net income	$	3,488		$	(131	)	$	3,357
Deferred income taxes	(1,212		)	145			(1,066		)
Changes in certain assets and liabilities	227			(14		)	212
Net cash provided by operating activities	3,929			—			3,929

	Year ended December 31, 2016
(in millions)	As Reported		New Revenue Standard			As Recast
Net income	$	2,244	$	(60	)	$	2,183
Deferred income taxes	455		(36		)	419
Changes in certain assets and liabilities	182		96			279
Net cash provided by operating activities	4,293		—			4,293