INCOME TAXES - Total Income Tax Expense (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Statements of earnings	$ 402	$ 334	$ 286	$ 386	$ 380	$ 297	$ 301	$ 350	$ 1,408	$ 1,329	$ 1,540
Other comprehensive income (loss):
Unrealized foreign currency translation gains (losses) during period									70	16	(419)
Unrealized gains (losses) on investment securities:
Unrealized holding gains (losses) on investment securities during period									962	(931)	2,237
Reclassification adjustment for realized (gains) losses on investment securities included in net earnings									18	21	19
Unrealized gains (losses) on derivatives during period									1	0	(3)
Pension liability adjustment during period									(16)	(7)	(31)
Total income tax expense (benefit) related to items of other comprehensive income (loss)									1,035	(901)	1,803
Additional paid-in capital (exercise of stock options)									(10)	4	(7)
Total income taxes									$ 2,433	$ 432	$ 3,336