Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 6)

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 6) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Multiemployer Plans [Abstract]      
Pension expense for multi-employer plans $ 6 $ 35 $ 41
Defined contribution plan - U. S. Plan      
Defined Contribution Plan Disclosures      
Maximum employer contribution as a percentage of compensation (as a percent) 3.50%    
Company costs associated with defined contribution plans $ 39 61 82
Defined contribution plan - Non U. S. Plan      
Defined Contribution Plan Disclosures      
Company costs associated with defined contribution plans $ 33 $ 35 $ 37