Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Net Provision For Income Taxes For Continuing Operations

The following is a summary of our net provision for income taxes for continuing operations:

Year Ended December 31	2019		2018			2017
Current:
U.S. federal	$	471	$	587		$	656
State	36		48			31
International	119		95			77
Total current	626		730			764
Deferred:
U.S. federal	49		(37		)	215
State	1		8			7
International	42		26			60
Adjustment for enacted change in U.S. tax law	—		—			119
Total deferred	92		(3		)	401
Provision for income taxes, net	$	718	$	727		$	1,165
Net income tax payments	$	572	$	532		$	617

Schedule of Reconciliation From Statutory Federal Income Tax Rate To Effective Income Tax Rate

The reconciliation from the statutory federal income tax rate to our effective income tax rate follows:

Year Ended December 31	2019		2018		2017
Statutory federal income tax rate	21.0	%	21.0	%	35.0	%
State tax on commercial operations, net of federal benefits	0.7		1.1		0.6
Impact of international operations	0.2		0.6		(4.5	)
Domestic production deduction	—		—		(1.5	)
Foreign derived intangible income	(1.4	)	(1.2	)	—
Equity-based compensation	(1.1	)	(1.1	)	(2.6	)
Domestic tax credits	(2.0	)	(1.1	)	(0.8	)
Contract close-outs	—		(0.5	)	—
Adoption impact of enacted change in U.S. tax law	—		—		2.9
Other, net	(0.3	)	(1.0	)	(0.5	)
Effective income tax rate	17.1	%	17.8	%	28.6	%

Schedule of Tax Effects Of Temporary Differences Between Reported Earnings And Taxable Earnings

The tax effects of temporary differences between reported earnings and taxable income consisted of the following:

December 31	2019			2018
Retirement benefits	$	1,097		$	1,055
Lease assets	418			—
Tax loss and credit carryforwards	323			393
Salaries and wages	167			160
Workers’ compensation	148			138
Other	367			351
Deferred assets	2,520			2,097
Valuation allowances	(291		)	(336		)
Net deferred assets	$	2,229		$	1,761
Intangible assets	$	(1,070	)	$	(1,061	)
Lease liabilities	(418		)	—
Contract accounting methods	(375		)	(530		)
Property, plant and equipment	(291		)	(265		)
Capital Construction Fund qualified ships	(164		)	(160		)
Other	(359		)	(284		)
Deferred liabilities	$	(2,677	)	$	(2,300	)
Net deferred tax liability	$	(448	)	$	(539	)

Schedule of Net Deferred Tax Asset (Liability)

Our net deferred tax liability consisted of the following:

December 31	2019			2018
Deferred tax asset	$	33		$	38
Deferred tax liability	(481		)	(577		)
Net deferred tax liability	$	(448	)	$	(539	)