ACQUISITIONS AND DIVESTITURES - Assets and Liabilities Held-for-sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017
Assets
Cash and cash equivalents	$ 779
Liabilities
Benefits payable	58	$ 0
KMG America Corporation
Assets
Cash and cash equivalents	779
Receivables, net	2
Investment securities	1,574
Other assets	1,112
Total assets held-for-sale	3,467
Liabilities
Benefits payable	58
Trade accounts payable and accrued expenses	69
Future policy benefits payable	2,567
Total liabilities held-for-sale	$ 2,694