SIGNIFICANT ACCOUNTING POLICIES - OUT OF PERIOD ADJUSTMENTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Revenues	$ 2,216	$ 5,714	$ 11,547	$ 9,501
Total benefits and other deductions	2,246	2,375	7,547	6,785
Earnings attributable to noncontrolling interest	98	90	307	291
Income tax expense (Benefit)	(52)	1,064	1,197	612
Earnings (loss) from continuing operations before income taxes	(30)	3,339	4,000	2,716
Net earnings (loss)	22	2,275	2,803	2,104
Out of Period Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Revenues	7		(4)
Total benefits and other deductions	49	23	40	55
Earnings attributable to noncontrolling interest	32		27
Income tax expense (Benefit)	54		47
Earnings (loss) from continuing operations before income taxes	(42)	(23)	(44)	(55)
Net earnings (loss)	$ (81)	$ (15)	$ (76)	$ (36)