Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PERFORMANCE OBLIGATIONS (Details 1)

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REVENUE RECOGNITION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PERFORMANCE OBLIGATIONS (Details 1)
$ in Millions
Sep. 30, 2018
USD ($)
Accounting Policies [Abstract]  
Revenue, Remaining Performance Obligation, Amount $ 709
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01  
Accounting Policies [Abstract]  
Revenue, Remaining Performance Obligation, Amount $ 270
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01  
Accounting Policies [Abstract]  
Revenue, Remaining Performance Obligation, Amount $ 439
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 10 years