Debt Instrument, Fair Value Exchange Amount

No definition available.

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- Definition

Line of Credit Facility, Remaining Borrowing Capacity, Uncommitted Amount

+ References

No definition available.

+ Details

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- Definition

Notes Payable Long Term Debt And Available Credit Facilities [Line Items]

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: 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

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ 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 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Definition

Amount of cash inflow (outflow) from long-term debt, including capital lease obligations and mandatory redeemable capital securities.

+ References

No definition available.

+ Details

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NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Oct. 05, 2015	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 01, 2016
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt			$ 0	$ 32	$ 1,383
Loss on early extinguishment of debt	$ 68		0	0	8
Amount of debt extinguished	1,161
Unused bank credit lines			2,853
Outstanding letters of credit			433
Reverse Morris Trust Transaction \| Chlorine Value Chain [Domain]
Debt Instrument [Line Items]
Principal amount redeemed	569
Loss on early extinguishment of debt	68
Non-cash fair value debt exchange	1,154
Amount of debt extinguished	1,161
Reverse Morris Trust Transaction \| SplitCo [Member] \| Chlorine Value Chain [Domain]
Debt Instrument [Line Items]
Noncurrent receivable	$ 1,220
Primary Beneficiary
Debt Instrument [Line Items]
Repayment of long-term debt			119	128	163
Proceeds from issuance of long-term debt				28	8
DCC Transaction
Debt Instrument [Line Items]
Long-Term Debt						$ 4,672
Promissory notes and debentures \| Six Point Zero Percent Notes Due 2017 [Member]
Debt Instrument [Line Items]
Principal amount redeemed			$ 436
Stated interest rate			6.00%
Promissory notes and debentures \| Redemption of Internotes [Member]
Debt Instrument [Line Items]
Principal amount redeemed			$ 32
Promissory notes and debentures \| Two point five percent due February 15, 2016 [Member]
Debt Instrument [Line Items]
Principal amount redeemed				$ 349
Stated interest rate				2.50%
Promissory notes and debentures \| InterNotes redeemed [Member]
Debt Instrument [Line Items]
Principal amount redeemed		$ 724		$ 52	724
Loss on early extinguishment of debt		8
Promissory notes and debentures \| Two Point Five Percent Notes Due 2016 [Member]
Debt Instrument [Line Items]
Stated interest rate	2.50%
Amount of debt extinguished	$ 401
Promissory notes and debentures \| InterNotes issued [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount on Issuance		$ 346			$ 346
Promissory notes and debentures \| Five Point Seven Percent Notes Due 2018 [Member]
Debt Instrument [Line Items]
Stated interest rate	5.70%
Amount of debt extinguished	$ 182
Promissory notes and debentures \| Four Point Two Five Percent Notes Due 2020 [Member]
Debt Instrument [Line Items]
Stated interest rate	4.25%
Amount of debt extinguished	$ 278
Redemption of Notes [Member] \| Term Loan Facility [Domain]
Debt Instrument [Line Items]
Amount of debt extinguished	$ 300