GOODWILL AND OTHER INTANGIBLE ASSETS Intangible assets included in Other assets and intangibles (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Total intangible assets, gross	$ 934	$ 1,163
Total intangible assets, net	223	304
Finite-lived intangible assets, accumulated amortization	711	859
Goodwill and Intangible Asset Impairment	137
Customer lists and relationships [Member]
Finite-lived intangible assets, gross	221	401
Finite-lived intangible assets, accumulated amortization	166	301
Finite-lived intangible assets, net	55	100
Trademarks, trade names and other [Member]
Finite-lived intangible assets, gross	34	36
Finite-lived intangible assets, accumulated amortization	20	20
Finite-lived intangible assets, net	14	16
Non-amortized trade names and other [Member]
Finite-lived intangible assets, gross	27	100
Finite-lived intangible assets, accumulated amortization	0	38
Indefinite-lived intangible assets, carrying amount	27	62
Capitalized software [Member]
Finite-lived intangible assets, gross	652	626
Finite-lived intangible assets, accumulated amortization	525	500
Finite-lived intangible assets, net	$ 127	$ 126
Weighted average [Member]
Finite-lived intangible assets, useful life	6 years 8 months 12 days
Weighted average [Member] | Customer lists and relationships [Member]
Finite-lived intangible assets, useful life	11 years 9 months 18 days
Weighted average [Member] | Trademarks, trade names and other [Member]
Finite-lived intangible assets, useful life	14 years 2 months 12 days
Weighted average [Member] | Capitalized software [Member]
Finite-lived intangible assets, useful life	4 years 2 months 12 days