Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Reconciliation of statutory federal income tax rate to effective income tax rate

A reconciliation of the statutory federal income tax rate to the Company’s effective income tax rate for continuing operations is as follows:

	2018		2017		2016
Statutory federal income tax rate	21.0	%	35.0	%	35.0	%
State income taxes, net of federal effect	3.2	%	2.3	%	2.9	%
Unconsolidated affiliate tax	0.1	%	0.9	%	4.2	%
Tax expense (benefit) due to federal tax reform	1.2	%	(20.3	)%	—	%
Excess tax benefit from share-based awards	(2.2	)%	(3.6	)%	—	%
Sale of business	1.3	%	—	%	—	%
Domestic production activities deduction	—	%	(2.0	)%	(3.0	)%
Other, net	(0.3	)%	(0.7	)%	(0.5	)%
Effective income tax rate	24.3	%	11.6	%	38.6	%

Schedule of income tax provision for continuing operations

The income tax provision (benefit) for continuing operations was as follows:

(In millions)	2018			2017			2016
Current:
Federal	$	189		$	342		$	402
State	39			44			53
Foreign	17			19			16
	245			405			471
Deferred:
Federal	110			(250		)	21
State	24			3			5
Foreign	(1		)	—			(5		)
	133			(247		)	21
Income tax provision	$	378		$	158		$	492

Schedule of deferred tax assets and liabilities

Significant components of deferred tax assets and liabilities consisted of the following at December 31:

(In millions)	2018			2017
Accrued expenses	$	74		$	39
Interest rate hedge contracts	5			9
Share-based compensation	43			40
Net operating loss and credit carry-forwards	131			131
Deferred revenue	11			17
Other	14			7
Subtotal	278			243
Valuation allowance	(101		)	(103		)
Total deferred tax assets	177			140
Capitalized software development costs	(129		)	(117		)
Intangible assets	(437		)	(455		)
Property and equipment	(66		)	(49		)
Capitalized commissions	(80		)	—
Investment in joint ventures	(78		)	—
Other	(112		)	(48		)
Total deferred tax liabilities	(902		)	(669		)
Total	$	(725	)	$	(529	)

Deferred tax assets and liabilities are reported in the consolidated balance sheets as follows at December 31:

(In millions)	2018			2017
Noncurrent assets	$	20		$	23
Noncurrent liabilities	(745		)	(552		)
Total	$	(725	)	$	(529	)

Schedule of unrecognized tax benefits

Unrecognized tax benefits were as follows:

(In millions)	2018			2017			2016
Unrecognized tax benefits - Beginning of year	$	42		$	45		$	54
Increases for tax positions taken during the current year	3			11			9
Increases for tax positions taken in prior years	20			2			1
Decreases for tax positions taken in prior years	(8		)	(15		)	(15		)
Decreases for settlements	—			(1		)	(2		)
Lapse of the statute of limitations	(8		)	—			(2		)
Unrecognized tax benefits - End of year	$	49		$	42		$	45