DIVESTITURES Non-Core HFS (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020		Sep. 30, 2019	Sep. 30, 2020		Sep. 30, 2019	Oct. 08, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charges	$ 183	[1]	$ 0	$ 3,214	[2]	$ 1,175
Non-Core Held for Sale Disposal Groups | Non Core Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charges	$ 25			$ 25
Non-Core Held for Sale Disposal Groups | Subsequent Event [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration							$ 240

[1] Refer to Note 11 for additional information.

[2] Refer to Note 11 for additional information.