Quarterly report pursuant to Section 13 or 15(d)

BENEFIT PLANS - Costs of Retirement Plans (Details)

v3.7.0.1
BENEFIT PLANS - Costs of Retirement Plans (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Defined Benefit Plan Disclosure [Line Items]        
Defined Contribution Plan, Cost Recognized $ 11 $ 8 $ 22 $ 16