COMMITMENTS AND CONTINGENCIES - CONTRACTUAL COMMITMENTS 4 (Details) (Pio Pico [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015
Pio Pico [Member]
Capital Leases [Line Items]
CapitalLeasesFutureMinimumPaymentsDueCurrent	$ 0
CapitalLeasesFutureMinimumPaymentsDueInTwoYears	0
CapitalLeasesFutureMinimumPaymentsDueInThreeYears	38
CapitalLeasesFutureMinimumPaymentsDueInFourYears	65
CapitalLeasesFutureMinimumPaymentsDueInFiveYears	65
CapitalLeasesFutureMinimumPaymentsDueThereafter	1,460
CapitalLeasesFutureMinimumPaymentsDue	1,628
CapitalLeasesFutureMinimumPaymentsExecutoryCosts	(392)
CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	(736)
CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	$ 500

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Amount of minimum lease payments for capital leases.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

+ Details

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amounts to be paid by lessee to lessor for maintenance, insurance, and tax expenses related to the leased asset.

+ References

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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