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, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income taxes based on U.S. statutory rates									$ 1,572	$ 1,685	$ 1,506
Utilization of foreign tax credit									(32)	(37)	(53)
Nondeductible expenses									5	6	8
Other, net									(5)	4	(25)
Total income tax expense	$ 372	$ 368	$ 428	$ 372	$ 353	$ 367	$ 469	$ 469	$ 1,540	$ 1,658	$ 1,436