BUSINESS SEGMENT AND FOREIGN INFORMATION - Yen/Dollar Exchange Rates Used (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) ¥ / $	Dec. 31, 2015 USD ($) ¥ / $	Dec. 31, 2014 USD ($) ¥ / $
Segment Reporting, Other Significant Reconciling Item [Line Items]
Weighted-average yen/dollar exchange rate | ¥ / $	108.70	120.99	105.46
Yen percent strengthening (weakening)	11.30%	(12.80%)	(7.50%)
Exchange effect on pretax operating earnings (in millions)	$ 218	$ (288)	$ (180)
Yen/dollar exchange rate at December 31 | ¥ / $	116.49	120.61
Yen percent strengthening (weakening)	3.54%	(0.05%)
Exchange effect on total assets
Segment Reporting, Other Significant Reconciling Item [Line Items]
Exchange effect	$ 2,820	$ (36)
Exchange effect on total liabilities
Segment Reporting, Other Significant Reconciling Item [Line Items]
Exchange effect	$ 3,109	$ (41)