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DEBT (Schedule of Line of Credit) (Details) | 3 Months Ended
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Mar. 31, 2018 USD ($)
Debt [Line Items] |
Facility Limit | $ 300,000,000
Letters of Credit Outstanding | 0
Commercial Paper | 121,000,000
Facility Availability | 179,000,000
Letters of credit sublimit | 50,000,000
Swingline loans sublimit | $ 100,000,000
Swingline loan repay term | 7 days
Utility |
Debt [Line Items] |
Facility Limit | $ 3,000,000,000
Letters of Credit Outstanding | 48,000,000
Commercial Paper | 97,000,000
Facility Availability | 2,855,000,000
Letters of credit sublimit | 500,000,000
Swingline loans sublimit | 75,000,000
Credit Facilities |
Debt [Line Items] |
Facility Limit | 3,300,000,000
Letters of Credit Outstanding | 48,000,000
Commercial Paper | 218,000,000
Facility Availability | $ 3,034,000,000

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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + 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(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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