Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of the components of the provision (benefit) for income taxes

The components of the provision for income taxes for each of the three years in the period ended December 31, 2016 are as follows:

	Year ended December 31,
	2016			2015		2014
Current
Federal	$	186		$	13	$	2
Foreign	10			15		42
State and local	24			14		5
	220			42		49
Deferred
Federal	119			300		240
Foreign	(1		)	5		2
State and local	5			31		19
	123			336		261
Total	$	343		$	378	$	310

Schedule of effective income tax rate reconciliation

A reconciliation of the provision for income taxes and the amount computed by applying the statutory federal income tax rate of 35 percent to the income before provision for income taxes for each of the three years in the period ended December 31, 2016 is as follows:

	Year ended December 31,
	2016			2015			2014
Computed tax at statutory tax rate	$	318		$	337		$	297
State income taxes, net of federal tax benefit	21			41			22
Non-deductible expenses and other	9			8			8
Foreign taxes	(5		)	(8		)	(17		)
Total	$	343		$	378		$	310

Schedule of deferred tax assets and liabilities

The components of deferred income tax assets (liabilities) are as follows:

	December 31, 2016			December 31, 2015
Reserves and allowances	$	103		$	112
Debt cancellation and other	33			48
Net operating loss and credit carryforwards	28			73
Total deferred tax assets	164			233
Property and equipment	(1,820		)	(1,714		)
Intangibles	(231		)	(272		)
Valuation allowance	(9		)	(12		)
Total deferred tax liability	(2,060		)	(1,998		)
Total deferred income tax liability	$	(1,896	)	$	(1,765	)

Schedule of unrecognized tax benefits

The following table summarizes the activity related to unrecognized tax benefits, some of which would impact our effective tax rate if recognized:

	2016		2015
Balance at January 1	$	3	$	7
Additions for tax positions of prior years	1		1
Reductions for tax positions of prior years	—		(1		)
Settlements	—		(4		)
Balance at December 31	$	4	$	3