OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Schedule of FV of Financial Assets for Pension Plans) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic Plan [Member]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	$ 1,677	$ 1,433	$ 1,588
Domestic Plan [Member] | Global equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	425	291
NAV	425	291
Domestic Plan [Member] | Fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	239	144
NAV	239	144
Domestic Plan [Member] | Global fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets		108
NAV		108
Domestic Plan [Member] | Real estate property
Fair value of plan assets measurement [Line items]
Total pension plan net assets	58	55
NAV	58	55
Domestic Plan [Member] | Emerging markets equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets		71
NAV		71
Domestic Plan [Member] | U.S. small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	67	54
NAV	67	54
Domestic Plan [Member] | International small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	55	47
NAV	55	47
Domestic Plan [Member] | U.S. real estate securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	53	41
NAV	53	41
Domestic Plan [Member] | Short-term investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	16	15
NAV	16	15
Domestic Plan [Member] | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	279	224
NAV	0	0
Domestic Plan [Member] | Corporate bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	256	211
NAV	0	0
Domestic Plan [Member] | Global large-cap equity securities [Domain]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	107	94
NAV	0	0
Domestic Plan [Member] | Private equity investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	11	15
NAV	11	15
Domestic Plan [Member] | Other investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	64	61
NAV	0	0
Domestic Plan [Member] | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	1,630	1,431
NAV	924	841
Domestic Plan [Member] | Cash and receivables
Fair value of plan assets measurement [Line items]
Total pension plan net assets	86	32
Domestic Plan [Member] | Payables
Fair value of plan assets measurement [Line items]
Total pension plan net assets	(39)	(30)
Domestic Plan [Member] | Level 1 | Global equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Global fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 1 | Real estate property
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Emerging markets equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 1 | U.S. small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | International small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | U.S. real estate securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Short-term investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Corporate bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Global large-cap equity securities [Domain]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	107	94
Domestic Plan [Member] | Level 1 | Private equity investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 1 | Other investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	14	16
Domestic Plan [Member] | Level 1 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	121	110
Domestic Plan [Member] | Level 2 | Global equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Global fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 2 | Real estate property
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Emerging markets equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 2 | U.S. small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | International small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | U.S. real estate securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Short-term investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	279	224
Domestic Plan [Member] | Level 2 | Corporate bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	256	211
Domestic Plan [Member] | Level 2 | Global large-cap equity securities [Domain]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Private equity investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 2 | Other investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	50	45
Domestic Plan [Member] | Level 2 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	585	480
Domestic Plan [Member] | Level 3 | Global equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Global fixed income securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 3 | Real estate property
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Emerging markets equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets		0
Domestic Plan [Member] | Level 3 | U.S. small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | International small-cap equity
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | U.S. real estate securities
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Short-term investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Corporate bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Global large-cap equity securities [Domain]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Private equity investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Other investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Domestic Plan [Member] | Level 3 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member]
Fair value of plan assets measurement [Line items]
Total pension plan net assets	254	238	$ 269
Foreign Plan [Member] | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	190	164
Foreign Plan [Member] | Common Stock
Fair value of plan assets measurement [Line items]
Total pension plan net assets	80	72
Foreign Plan [Member] | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	93	72
Foreign Plan [Member] | Mutual funds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	17	20
Foreign Plan [Member] | Cash and receivables
Fair value of plan assets measurement [Line items]
Total pension plan net assets	65	75
Foreign Plan [Member] | Payables
Fair value of plan assets measurement [Line items]
Total pension plan net assets	(1)			$ (1)
Foreign Plan [Member] | Level 1 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	190	164
Foreign Plan [Member] | Level 1 | Common Stock
Fair value of plan assets measurement [Line items]
Total pension plan net assets	80	72
Foreign Plan [Member] | Level 1 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	93	72
Foreign Plan [Member] | Level 1 | Mutual funds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	17	20
Foreign Plan [Member] | Level 2 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 2 | Common Stock
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 2 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 2 | Mutual funds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 3 | Total investments
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 3 | Common Stock
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 3 | Government bonds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	0	0
Foreign Plan [Member] | Level 3 | Mutual funds
Fair value of plan assets measurement [Line items]
Total pension plan net assets	$ 0	$ 0