TAXES ON INCOME TAXES ON INCOME (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Components of Income Tax Expense

The components of income tax expense (benefit) for 2017, 2016 and 2015 were as follows:

	2017			2016		2015
Current:
Federal	$	226		$	346	$	231
State and local	5			45		27
Foreign	1			1		3
Deferred:
Federal	(20		)	33		104
State and local	27			4		7
Foreign	2			—		1
Total	$	241		$	429	$	373

Reconciliation of the Federal Statutory Rate

A reconciliation of the federal statutory rate to the Company's effective tax rate for 2017, 2016 and 2015 was as follows:

	2017		2016		2015
Tax provision at statutory rate	35.0	%	35.0	%	35.0	%
State and local income taxes, net of federal benefit	3.8		3.3		2.6
Gains and losses on book and tax basis difference	(0.1	)	3.3		(2.7	)
Impact of noncontrolling interests	(1.9	)	(1.8	)	(1.6	)
Impact of equity earnings	1.1		1.0		0.7
Excess tax benefits on stock-based compensation arrangements	(3.6	)	(0.8	)	—
Return to provision true-ups	(2.0	)	(0.8	)	(0.2	)
Impact of TCJA enactment	(10.4	)	—		—
Other, net	1.5		0.3		—
Effective tax rate	23.4	%	39.5	%	33.8	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets (liabilities) as of December 31, 2017 and 2016 were as follows:

	2017			2016
Non-current deferred tax assets (liabilities):
Accounts receivable reserves	$	63		$	94
Liabilities not currently deductible	129			189
Stock-based compensation	41			58
Basis differences in investments, joint ventures and subsidiaries	(79		)	(87		)
Net operating loss carryforwards, net of valuation allowance	83			120
Depreciation and amortization	(403		)	(533		)
Total non-current deferred tax liabilities, net	$	(166	)	$	(159	)

Schedule of Unrecognized Benefits

The total amount of unrecognized tax benefits as of and for the years ended December 31, 2017, 2016 and 2015 consisted of the following:

	2017			2016			2015
Balance, beginning of year	$	98		$	91		$	122
Additions:
For tax positions of current year	5			3			5
For tax positions of prior years	23			12			5
Reductions:
Changes in judgment	(2		)	(1		)	(11		)
Expirations of statutes of limitations	(6		)	(7		)	(3		)
Settlements	(3		)	—			(27		)
Balance, end of year	$	115		$	98		$	91