GOODWILL (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) item	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Goodwill Disclosure
Number of steps involved in process of impairment test | item	2
Goodwill
Goodwill - gross	$ 5,005	$ 5,090	$ 4,931
Accumulated impairments	(3,477)	(3,477)	(3,477)
Net goodwill	1,528	1,613	1,454
Increase (decrease) due to:
Acquisition	4		208
Other	87	(73)	(49)
Dispositions	(25)	(12)
Goodwill - gross	5,071	5,005	5,090
Accumulated impairments	(3,477)	(3,477)	(3,477)
Net goodwill	1,594	1,528	1,613
Goodwill Reallocation	1,300
North America
Goodwill
Goodwill - gross	1,878	1,884	1,834
Accumulated impairments	(1,264)	(1,264)	(1,264)
Net goodwill	614	620	570
Increase (decrease) due to:
Acquisition	0		50
Other	0	0	0
Dispositions	(10)	(6)
Goodwill - gross	1,868	1,878	1,884
Accumulated impairments	(1,264)	(1,264)	(1,264)
Net goodwill	604	614	620
International
Goodwill
Goodwill - gross	2,807	2,883	2,887
Accumulated impairments	(2,136)	(2,136)	(2,136)
Net goodwill	671	747	751
Increase (decrease) due to:
Acquisition	0		46
Other	74	(70)	(50)
Dispositions	(7)	(6)
Goodwill - gross	2,874	2,807	2,883
Accumulated impairments	(2,136)	(2,136)	(2,136)
Net goodwill	738	671	747
Life insurance
Goodwill
Goodwill - gross	77	77	21
Accumulated impairments	0	0	0
Net goodwill	77	77	21
Increase (decrease) due to:
Acquisition	0		55
Other	13	0	1
Dispositions	(6)
Goodwill - gross	84	77	77
Accumulated impairments	0	0	0
Net goodwill	84	77	77
Other Operations
Goodwill
Goodwill - gross	27	27	7
Accumulated impairments	0	0	0
Net goodwill	27	27	7
Increase (decrease) due to:
Acquisition	4		20
Other	0	0	0
Dispositions	0
Goodwill - gross	31	27	27
Accumulated impairments	0	0	0
Net goodwill	31	27	27
Legacy Portfolio
Goodwill
Goodwill - gross	216	219	182
Accumulated impairments	(77)	(77)	(77)
Net goodwill	139	142	105
Increase (decrease) due to:
Acquisition	0		37
Other	0	(3)	0
Dispositions	(2)
Goodwill - gross	214	216	219
Accumulated impairments	(77)	(77)	(77)
Net goodwill	$ 137	$ 139	$ 142