INCOME TAXES - Principal Reasons for Differences and Related Tax Effects where Income Tax Expense Varies from Amount Computed by Applying Expected United States Tax Rate of Thirty Five Percent to Pretax Earnings (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income taxes based on U.S. statutory rates									$ 1,406	$ 1,424	$ 1,352
Write-down of U.S. deferred tax liabilities for tax reform change									(1,933)	0	0
Utilization of foreign tax credit									(27)	(30)	(27)
Nondeductible expenses									10	8	3
Other, net									(42)	6	1
Total income tax expense	$ (1,585)	$ 359	$ 332	$ 306	$ 402	$ 334	$ 286	$ 386	$ (586)	$ 1,408	$ 1,329