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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Income Tax Provision (Benefit) Differed from Amounts Computed at the Statutory Federal Income Tax Rate and Significant Components

The income tax provision (benefit) differed from amounts computed at the statutory federal income tax rate and consisted of the following significant components (in millions):  

UAL		2019				2018 (a)				2017 (a)
Income tax provision at statutory rate		$	822			$	556			$	1,058
State income taxes, net of federal income tax benefit		50				29				30
Foreign tax rate differential		(90		)		(84		)		(43		)
Global intangible low-taxed income		90				4				—
Foreign income taxes		1				2				3
Nondeductible employee meals		12				12				17
Impact of Tax Act		—				(5		)		(189		)
State rate change		—				3				12
Valuation allowance		(4		)		(3		)		(16		)
Other, net		24				12				8
		$	905			$	526			$	880
Current		$	23			$	14			$	(77	)
Deferred		882				512				957
		$	905			$	526			$	880
United		2019				2018 (a)				2017 (a)
Income tax provision at statutory rate		$	822			$	557			$	1,059
State income taxes, net of federal income tax		50				29				30
Foreign tax rate differential		(90		)		(84		)		(43		)
Global intangible low-taxed income		90				4				—
Foreign income taxes		1				2				3
Nondeductible employee meals		12				12				17
Impact of Tax Act		—				(5		)		(206		)
State rate change		—				3				12
Valuation allowance		(4		)		(3		)		(16		)
Other, net		24				12				8
		$	905			$	527			$	864
Current		$	23			$	14			$	(77	)
Deferred		882				513				941
		$	905			$	527			$	864

(a) Amounts adjusted due to the adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842). See Note 1 of this report for additional information on the adjustments.

Temporary Differences and Carryforwards Giving Rise to Deferred Tax Assets and Liabilities

Temporary differences and carryforwards that give rise to deferred tax assets and liabilities at December 31, 2019 and 2018 were as follows (in millions):

		UAL								United
		2019				2018				2019				2018
Deferred income tax asset (liability):
Federal and state net operating loss ("NOL") carryforwards		$	695			$	398			$	668			$	371
Deferred revenue		1,287				1,232				1,287				1,232
Employee benefits, including pension, postretirement and medical		715				885				715				885
Operating lease liabilities		1,256				1,338				1,256				1,338
Other		165				229				165				229
Less: Valuation allowance		(58		)		(59		)		(58		)		(59		)
Total deferred tax assets		$	4,060			$	4,023			$	4,033			$	3,996
Depreciation		$	(4,011	)		$	(2,929	)		$	(4,011	)		$	(2,929	)
Operating lease right-of-use asset		(1,061		)		(1,173		)		(1,061		)		(1,173		)
Intangibles		(724		)		(749		)		(724		)		(749		)
Total deferred tax liabilities		$	(5,796	)		$	(4,851	)		$	(5,796	)		$	(4,851	)
Net deferred tax liability		$	(1,736	)		$	(828	)		$	(1,763	)		$	(855	)

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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