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TAXES ON INCOME (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 13, 2016 | Dec. 31, 2018 | Jun. 30, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Tax Contingency [Line Items] |  |  |  |  |  |  |
Income (loss) from continuing operations - domestic |  |  |  |  | $ 900 | $ 1,000 | $ 1,100
Income (loss) from continuing operations - foreign |  |  |  |  | (1) | (7) | 4
Tax Cuts and Jobs Act of 2017, income tax expense (benefit) |  | $ 1 |  |  |  |  |
Deferred income tax expense (benefit) |  |  |  |  | 73 | 9 | 37
Current federal tax expense (benefit) |  |  |  |  | 82 | 226 | 346
Current state and local income tax expense |  |  |  |  | 26 | 5 | 45
Current foreign income tax expense |  |  |  |  | 1 | 1 | 1
Defered federal income tax expense (benefit) |  |  |  |  | 66 | (20) | 33
Deferred state and local income tax expense (benefit) |  |  |  |  | 10 | 27 | 4
Deferred foreign income tax expense (benefit) |  |  |  |  | (3) | 2 | 0
Total |  |  |  |  | $ 182 | $ 241 | $ 429
Tax provision at statutory rate |  |  |  |  | 21.00% | 35.00% | 35.00%
State and local income taxes, net of federal benefit |  |  |  |  | 4.70% | 3.80% | 3.30%
Gains and losses on book and tax basis difference |  |  |  |  | 0.00% | (0.10%) | 3.30%
Impact of noncontrolling interests |  |  |  |  | (1.40%) | (1.90%) | (1.80%)
Excess tax benefits on stock-based compensation arrangements |  |  |  |  | (1.90%) | (3.60%) | (0.80%)
Return to provision true-ups |  |  |  |  | (1.40%) | (2.00%) | (0.80%)
Impact of TCJA enactment |  |  |  |  | 0.10% | (10.40%) | 0.00%
Change in accounting method |  |  |  |  | (1.60%) | 0.00% | 0.00%
Other, net |  |  |  |  | 0.20% | 2.60% | 1.30%
Effective tax rate |  |  |  |  | 19.70% | 23.40% | 39.50%
Income tax benefit associated with changes in tax return accounting method |  |  | $ 15 |  | $ 15 |  |
Accounts receivable reserves |  | 66 |  | $ 63 | 66 | $ 63 |
Liabilities not currently deductible non-current DTA |  | 137 |  | 129 | 137 | 129 |
Stock-based compensation |  | 38 |  | 41 | 38 | 41 |
Basis differences in investments, joint ventures and subsidiaries |  | (80) |  | (79) | (80) | (79) |
Net operating loss carryfowards, net of valuation allowance |  | 80 |  | 83 | 80 | 83 |
Non-current deferred tax liability - depreciation and amortization |  | (484) |  | (403) | (484) | (403) |
Total non-current deferred tax liabilities, net |  | (243) |  | (166) | (243) | (166) |
Total non-current deferred tax assets |  |  |  | 4 |  | 4 |
Total non-current deferred tax liabilities |  | 243 |  | 170 | 243 | 170 |
Operating loss carryforwards |  | 147 |  | 155 | 147 | 155 | $ 204
Deferred tax assets, valuation allowance |  | 54 |  | 57 | 54 | 57 | 56
Income taxes payable |  | 85 |  | 82 | 85 | 82 |
Prepaid taxes |  | 14 |  | 37 | 14 | 37 |
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |  |  |  |  |
Unrecognized tax benefits, beginning balance |  |  |  |  | 115 | 98 | 91
Additions for tax positions of current year |  |  |  |  | 2 | 5 | 3
Additions for tax positions of prior years |  |  |  |  | 11 | 23 | 12
Reductions for changes in judgment |  |  |  |  | (6) | (2) | (1)
Reductions for expirations of statutes of limitations |  |  |  |  | (15) | (6) | (7)
Reductions for settlements |  |  |  |  | 0 | (3) | 0
Unrecognized tax benefits, ending balance |  | 107 |  | 115 | 107 | 115 | 98
Unrecognized tax benefits that would impact effective tax rate |  | 56 |  |  | 56 |  |
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound |  | 34 |  |  | 34 |  |
Unrecognized tax Benefits, interest on income taxes expense |  |  |  |  | 1 | 1 | 2
Unrecognized tax benefits, interest on income taxes accrued |  | 14 |  | 13 | 14 | 13 |
Domestic Country [Member] |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |
Tax Cuts and Jobs Act of 2017, income tax expense (benefit) |  |  |  | (106) |  | (106) |
Tax Cuts and Jobs Act of 2017, deferred tax expense (benefit) |  |  |  | (115) |  | (115) |
Tax Cuts and Jobs Act of 2017, current income tax expense (benefit) |  |  |  | $ 9 | 1 | $ 9 |
Net operating loss carryforwards |  | 131 |  |  | 131 |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |
Net operating loss carryforwards |  | 1,300 |  |  | 1,300 |  |
Foreign Country [Member] |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ 56 |  |  | $ 56 |  |
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Focus Diagnostics Products [Member] |  |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |  |
Taxes payable, current |  |  |  |  |  |  | 91
Deferred income tax expense (benefit) | $ (7) |  |  |  |  |  | (7)
Total | $ 84 |  |  |  |  |  | $ 84
Effective tax rate | 71.40% |  |  |  |  |  |

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