TAXES ON INCOME (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Contingency [Line Items]
Income (loss) from continuing operations - domestic			$ 1,100	$ 900	$ 1,000
Income (loss) from continuing operations - foreign			15	(1)	(7)
Tax Cuts and Jobs Act of 2017, income tax expense (benefit)	$ 1
Deferred income tax expense (benefit)			15	73	9
Current federal tax expense (benefit)			176	82	226
Current state and local income tax expense			53	26	5
Current foreign income tax expense			3	1	1
Defered federal income tax expense (benefit)			21	66	(20)
Deferred state and local income tax expense (benefit)			(4)	10	27
Deferred foreign income tax expense (benefit)			(2)	(3)	2
Total			$ 247	$ 182	$ 241
Tax provision at statutory rate			21.00%	21.00%	35.00%
State and local income taxes, net of federal benefit			4.60%	4.70%	3.80%
Gains and losses on book and tax basis difference			0.00%	0.00%	(0.10%)
Impact of noncontrolling interests			(1.10%)	(1.40%)	(1.90%)
Excess tax benefits on stock-based compensation arrangements			(1.20%)	(1.90%)	(3.60%)
Return to provision true-ups			(1.40%)	(1.40%)	(2.00%)
Impact of TCJA enactment			0.00%	0.10%	(10.40%)
Change in accounting method			0.00%	(1.60%)	0.00%
Impact of equity earnings			1.10%	1.00%	1.10%
Changes in reserves for uncertain tax positions			1.70%	(0.80%)	1.60%
Change in valuation allowances associated with certain net operating losses			(1.10%)	0.00%	0.40%
Other, net			(0.60%)	0.00%	(0.50%)
Effective tax rate			23.00%	19.70%	23.40%
Income tax benefit associated with changes in tax return accounting method		$ 15		$ 15
Accounts receivable reserves	66		$ 64	66
Liabilities not currently deductible non-current DTA	137		126	137
Stock-based compensation	38		35	38
Basis differences in investments, joint ventures and subsidiaries	(80)		(80)	(80)
Net operating loss carryfowards, net of valuation allowance	80		75	80
Non-current deferred tax liability - depreciation and amortization	(484)		(484)	(484)
Total non-current deferred tax liabilities, net	(243)		(264)	(243)
Total non-current deferred tax liabilities	243		264	243
Operating loss carryforwards	126		101	126
Deferred tax assets, valuation allowance	46		26	46
Income tax benefit due to release of valuation allowances associated with net operating loss carryforwards			(12)
Income taxes payable	85		113	85
Prepaid taxes	14		3	14
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning balance			107	115	$ 98
Additions for tax positions of current year			2	2	5
Additions for tax positions of prior years			16	11	23
Reductions for changes in judgment			(3)	(6)	(2)
Reductions for expirations of statutes of limitations			(2)	(15)	(6)
Reductions for settlements			(32)	0	(3)
Unrecognized tax benefits, ending balance	107		88	107	115
Unrecognized tax benefits that would impact effective tax rate			72
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound			10
Unrecognized tax Benefits, interest on income taxes expense			5	1	1
Unrecognized tax benefits, interest on income taxes accrued	$ 14		17	14
Domestic Country
Income Tax Contingency [Line Items]
Tax Cuts and Jobs Act of 2017, income tax expense (benefit)					(106)
Tax Cuts and Jobs Act of 2017, deferred tax expense (benefit)					(115)
Tax Cuts and Jobs Act of 2017, current income tax expense (benefit)				$ 1	$ 9
Net operating loss carryforwards			92
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards			1,100
Foreign Country
Income Tax Contingency [Line Items]
Net operating loss carryforwards			$ 49