CLAIMS AND LAWSUITS - Reconciliations (Details) - Claims, lawsuits, and regulatory proceedings - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loss Contingencies
Litigation reserve, Balances at Beginning of Period	$ 299	$ 83	$ 70
Litigation and Investigation costs	293	283	43
Cash Payments	(582)	(74)	(30)
Other	2	7
Litigation reserve, Balances at End of Period	12	299	83
Continuing operations
Loss Contingencies
Litigation reserve, Balances at Beginning of Period	299	73	64
Litigation and Investigation costs	293	291	25
Cash Payments	(582)	(72)	(16)
Other	2	7
Litigation reserve, Balances at End of Period	$ 12	299	73
Discontinued operations
Loss Contingencies
Litigation reserve, Balances at Beginning of Period		10	6
Litigation and Investigation costs		(8)	18
Cash Payments		$ (2)	(14)
Litigation reserve, Balances at End of Period			$ 10