ACQUISITIONS AND DIVESTITURES - Assets and Liabilities Held For Sale (Details) - Disposed of by Sale - KMG America Corporation $ in Millions	Aug. 09, 2018 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 805
Receivables, net	3
Investment securities	1,576
Other assets	1,085
Total assets disposed	3,469
Benefits payable	58
Trade accounts payable and accrued expenses	70
Future policy benefits payable	2,573
Total liabilities disposed	$ 2,701