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CONTRACT ASSETS AND LIABILITIES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Sep. 30, 2018
Sep. 24, 2017
Revenue from Contract with Customer [Abstract]        
Increase in contract assets     $ 1,777 $ 228
Impairment loss $ 0 $ 0 0 0
Increase (decrease) in contract liabilities     (539) (492)
Liability, revenue recognized $ 711 $ 507 $ 3,400 $ 2,900