BENEFIT PLANS - Additional Information (Detail) - USD ($) shares in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount of years left to meet rule of 80 for active employees to be eligible for postretirement medical benefits					5 years
Amount of years left to meet 15 year service requirement for active employees age 55 or older to be eligible for postretirement medical benefits					5 years
Net periodic (benefit) cost, excluding service cost		$ 35,000,000	$ 17,000,000	$ (5,000,000)
Transition obligation		$ 0
Percentage of matching contributions by the Company to employee's contributions to 401(k) plan		50.00%	50.00%	50.00%
Non-Elective Defined Contribution Percentage of Employee Compensation		2.00%
Matching 401(k) plan contributions included in acquisition and operating expenses		$ 15,000,000	$ 11,000,000	$ 9,000,000
Shares of employer-issued common stock held for plan participants by plan trustee (in millions)		1
Subsequent Event
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of matching contributions by the Company to employee's contributions to 401(k) plan	100.00%
Defined Contribution Plan, Special Contribution, Per Employee	$ 500
Lower Limit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care plan, retirement age and years of service combined years for eligibility					80 years
Health care plan, retirement age for eligibility, (in years)					55 years
Health care plan, number of years of service for eligibility					15 years
Upper Limit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of matching contributions by the Company to employee's contributions to 401(k) plan		6.00%	6.00%	6.00%
Upper Limit | Subsequent Event
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of matching contributions by the Company to employee's contributions to 401(k) plan	4.00%
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, future amortization of actuarial losses		$ 1,000,000
Associate Stock Bonus Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Deferred policy acquisition costs, amount attributable to stock bonus plan		$ 31,000,000	$ 31,000,000	$ 34,000,000
Japan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
AA corporate bonds average duration		20 years
Japan | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, future amortization of actuarial losses		$ 1,000,000
Defined benefit plan, expected contributions to the plan in the following year		$ 34,000,000
U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
AA corporate bonds average duration		17 years
U.S. | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, future amortization of actuarial losses		$ 16,000,000
Defined benefit plan, expected contributions to the plan in the following year		$ 10,000,000