OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (FV, Assets Measured on Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, at the beginning of the period	$ 90	$ 86
Realized gains (losses)	2	1
Net unrealized gains (losses) related to assets still held at the end of the year	5	5
Purchases	1	3
Sales	(1)	(1)
Settlements, net	(4)	(4)
Fair Value, at the end of the period	93	90
Real estate property [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, at the beginning of the period	47	41
Realized gains (losses)	2	1
Net unrealized gains (losses) related to assets still held at the end of the year	6	6
Purchases	0	0
Sales	(1)	(1)
Settlements, net	0	0
Fair Value, at the end of the period	54	47
Private equity investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, at the beginning of the period	43	45
Realized gains (losses)	0	0
Net unrealized gains (losses) related to assets still held at the end of the year	(1)	(1)
Purchases	1	3
Sales	0	0
Settlements, net	(4)	(4)
Fair Value, at the end of the period	$ 39	$ 43