NOTES PAYABLE AND LEASE OBLIGATIONS - Additional Information (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)
Debt Instrument [Line Items]
Operating lease, cost	$ 14
Operating lease, payments	14
Lines of credit
Debt Instrument [Line Items]
Debt instrument, debt default, amount	0
Notes Payable
Debt Instrument [Line Items]
Debt instrument, debt default, amount	$ 0

Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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