NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Long-Term Debt) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations	$ 474	$ 475
Unamortized Debt Discount and Issuance Costs	5	5
Long-term Debt and Capital Lease Obligations, Current	$ 1	$ 1
Final Maturity 2023 [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period	7.875%	7.875%
Long-term Debt and Capital Lease Obligations	$ 175	$ 175
Final Maturity 2025 (a) [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period	6.79%	6.79%
Long-term Debt and Capital Lease Obligations	$ 12	$ 12
Final Maturity 2025 (b) [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period	7.50%	7.50%
Long-term Debt and Capital Lease Obligations	$ 150	$ 150
Final Maturity 2096 [Member]
Debt Instrument [Line Items]
Average Interest Rate in Period	7.75%	7.75%
Long-term Debt and Capital Lease Obligations	$ 135	$ 135
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt and Capital Lease Obligations	$ 8	$ 9

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

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+ References

No definition available.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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