CAPITAL STOCK - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		70 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2014
Equity [Abstract]
Options and restricted stock, anti-dilutive (in shares)	5,000,000.0	5,900,000	5,300,000	6,400,000
Payments of dividend on common stock	$ 94	$ 96	$ 188	$ 191
Number of shares authorized to be repurchased (in shares)						40,000,000	40,000,000
Number of shares repurchased during period (in shares)			0		40,000,000
Average price of shares repurchased during period (in USD per share)					$ 79.18