INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Tax reform rate re-measurement		$ 133
Tax Cuts and Jobs Act of 2017, measurement period adjustment, income tax expense (benefit)	$ (39)
Benefit on sale of business	272	0	$ 0
Net operating losses to carryforward related to prior acquisitions	104
Valuation allowances on net operating loss carryforwards related to prior acquisitions	54	49
Puerto Rico
Operating Loss Carryforwards [Line Items]
Repatriation tax for undistributed foreign earnings		$ 10
Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Capital loss carryforward	$ 64