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

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- Definition

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

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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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Pre-tax charge related to early extinguishment of debt.

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No definition available.

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Amount of unamortized debt discounts (premium), debt issuance costs and fair value adjustments.

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No definition available.

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LONG-TERM DEBT - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Mar. 31, 2019	Feb. 28, 2018	Mar. 31, 2019	Dec. 31, 2019	Feb. 28, 2019
Debt Instrument [Line Items]
Proceeds from debt, net of issuance costs				$ 739
Pretax charge related to early extinguishment of debt			$ 12
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 500		$ 500
Unamortized discounts, capitalized debt expense and fair value adjustments				$ 3
4.00 percent due in November 2029
Debt Instrument [Line Items]
Debt issued					$ 750
Debt instrument, interest rate, stated percentage					4.00%
Debt, maturity date				Nov. 30, 2029
7.38 percent due in October 2019
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	7.38%		7.38%
Debt, maturity date				Oct. 31, 2019
Repayments of debt	$ 500
7.00 percent debentures due 2018
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		7.00%
Repayments of debt		$ 62