Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ADDITIONAL INFORMATION (Details 2)

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REVENUE RECOGNITION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ADDITIONAL INFORMATION (Details 2) - USD ($)
$ in Millions
9 Months Ended
Jan. 01, 2018
Sep. 30, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Unbilled revenue $ 6 $ 56  
Deferred revenue, primarily extended warranty 1,052 1,137  
Revenue recognized (1) [1] $ 0 (277)  
Allowance for Doubtful Accounts Receivable   $ 15 $ 16
[1] Relates to year-to-date revenues recognized from amounts included in deferred revenue at the beginning of the year. Revenue recognized in the period from performance obligations satisfied in previous periods was immaterial.