EMPLOYEE BENEFIT PLANS - FUTURE BENEFITS EXPECTED TO BE PAID (DETAILS) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Qualified Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	$ 60
2014	75
2015	78
2016	79
2017	95
2018 - 2022	532
Nonqualified Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	2
2014	3
2015	3
2016	5
2017	3
2018 - 2022	23
Postretirement Medical Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	4
2014	5
2015	5
2016	6
2017	7
2018 - 2022	$ 43

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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