INCOME TAXES Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties (Details) $ in Millions	3 Months Ended
Mar. 31, 2016 USD ($)
Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Line Items]
Beginning balance, unrecognized tax benefits	$ (150)
Activity for three months, unrecognized tax benefits	26
Ending balance, unrecognized tax benefits	(124)
Beginning balance, accrued estimated interest and tax penalties	(34)
Activity for the three months, accrued estimated interest	(1)
Ending balance, accrued estimated interest and tax penalties	$ (35)

[Line Items] for Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Table]

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

+ Details

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

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- Definition

The net amount of all increases and decreases in unrecognized tax benefits for the period.

+ References

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