Quarterly report pursuant to Section 13 or 15(d)

BENEFIT PLANS - Costs of Retirement Plans (Details)

v3.8.0.1
BENEFIT PLANS - Costs of Retirement Plans (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Defined Benefit Plan Disclosure [Line Items]        
Defined Contribution Plan, Cost $ 5 $ 9 $ 26 $ 26