Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Section 35
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6749337

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6520858

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Asset Class:
Cash equivalents	$ 3
Pension Benefits
Asset Class:
Fair value of plan assets	44	$ 56	$ 87
Pension Plan Assets - Gross \| Pension Benefits
Asset Class:
Fair value of plan assets	$ 44	$ 56
Equity securities
Defined Benefit Plan Disclosure
Target allocation of plan assets (as a percent)	65.00%	65.00%
Fixed Income \| Pension Benefits
Asset Class:
Fair value of plan assets	$ 9	$ 15
US equity \| Pension Benefits
Asset Class:
Fair value of plan assets	10	16
International equity \| Pension Benefits
Asset Class:
Fair value of plan assets	6	10
Bond funds \| Pension Benefits
Asset Class:
Fair value of plan assets	4	4
Blend funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	2
Value funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	1
Growth funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	2
Guaranteed deposit account \| Pension Benefits
Asset Class:
Fair value of plan assets	$ 6	$ 6
Debt securities
Defined Benefit Plan Disclosure
Target allocation of plan assets (as a percent)	35.00%	35.00%
Level 1
Asset Class:
Cash equivalents	$ 3
Level 1 \| Pension Plan Assets - Gross \| Pension Benefits
Asset Class:
Fair value of plan assets	13	$ 9
Level 1 \| Bond funds \| Pension Benefits
Asset Class:
Fair value of plan assets	4	4
Level 1 \| Blend funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	2
Level 1 \| Value funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	1
Level 1 \| Growth funds \| Pension Benefits
Asset Class:
Fair value of plan assets	2	2
Level 2 \| Pension Plan Assets - Gross \| Pension Benefits
Asset Class:
Fair value of plan assets	25	41
Level 2 \| Fixed Income \| Pension Benefits
Asset Class:
Fair value of plan assets	9	15
Level 2 \| US equity \| Pension Benefits
Asset Class:
Fair value of plan assets	10	16
Level 2 \| International equity \| Pension Benefits
Asset Class:
Fair value of plan assets	6	10
Level 3 \| Pension Plan Assets - Gross \| Pension Benefits
Asset Class:
Fair value of plan assets	6	6
Level 3 \| Guaranteed deposit account \| Pension Benefits
Asset Class:
Fair value of plan assets	$ 6	$ 6