BENEFIT PLANS - Reconciliation of Funded Status of Basic Employee Defined-Benefit Pension Plans (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Postretirement Benefit Plans, Defined Benefit
Projected benefit obligation:
Benefit obligation, beginning of year		$ 39	$ 37
Service cost		0	0	$ 0
Interest cost		1	1	1
Actuarial (gain) loss		6	4
Benefits and expenses paid		(4)	(3)
Effect of foreign exchange rate changes		0	0
Benefit obligation, end of year		42	39	37
Plan assets:
Fair value of plan assets, beginning of year		0	0
Actual return on plan assets		0	0
Employer contributions		4	3
Benefits and expenses paid		(4)	(3)
Effect of foreign exchange rate changes		0	0
Fair value of plan assets, end of year		0	0	0
Funded status of the plans	[1]	(42)	(39)
Amounts recognized in accumulated other comprehensive income:
Net actuarial (gain) loss		15	12
Prior service (credit) cost		0	0
Total included in accumulated other comprehensive income		15	12
Japan | Pension Plan
Projected benefit obligation:
Benefit obligation, beginning of year		436	396
Service cost		24	22	19
Interest cost		5	7	7
Actuarial (gain) loss		(6)	17
Benefits and expenses paid		(12)	(11)
Effect of foreign exchange rate changes		26	5
Benefit obligation, end of year		473	436	396
Plan assets:
Fair value of plan assets, beginning of year		344	289
Actual return on plan assets		21	24
Employer contributions		41	38
Benefits and expenses paid		(12)	(11)
Effect of foreign exchange rate changes		22	4
Fair value of plan assets, end of year		416	344	289
Funded status of the plans	[1]	(57)	(92)
Amounts recognized in accumulated other comprehensive income:
Net actuarial (gain) loss		74	92
Prior service (credit) cost		(1)	(2)
Total included in accumulated other comprehensive income		73	90
Accumulated benefit obligation		425	390
U.S. | Pension Plan
Projected benefit obligation:
Benefit obligation, beginning of year		1,058	875
Service cost		29	23	27
Interest cost		34	20	31
Actuarial (gain) loss		106	163
Benefits and expenses paid		(23)	(23)
Effect of foreign exchange rate changes		0	0
Benefit obligation, end of year		1,204	1,058	875
Plan assets:
Fair value of plan assets, beginning of year		644	465
Actual return on plan assets		96	98
Employer contributions		107	104
Benefits and expenses paid		(23)	(23)
Effect of foreign exchange rate changes		0	0
Fair value of plan assets, end of year		824	644	$ 465
Funded status of the plans	[1]	(380)	(414)
Amounts recognized in accumulated other comprehensive income:
Net actuarial (gain) loss		278	259
Prior service (credit) cost		(2)	(4)
Total included in accumulated other comprehensive income		276	255
Accumulated benefit obligation		$ 1,017	$ 886

[1] Recognized in other liabilities in the consolidated balance sheets