INCOME TAXES - Federal Tax Reconciliation (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Reconciliation between reported income tax expense (benefit) and income taxes calculated by the statutory federal income tax rate | ||
| Tax expense at statutory federal rate of 21% (35% for 2017) | $ 55 | $ 1 |
| State income taxes, net of federal income tax benefit | 10 | (7) |
| Tax benefit attributable to noncontrolling interests | (18) | (26) |
| Nondeductible goodwill | 5 | 0 |
| Change in tax contingency reserves, including interest | 0 | (2) |
| Stock-based compensation | 4 | 8 |
| Change in valuation allowance-interest expense limitation | 12 | 0 |
| Other items | 2 | (7) |
| Income tax expense (benefit) | $ 70 | $ (33) |
| Statutory federal rate | 21.00% | 35.00% |