Pension Plans, Postretirement and Other Employee Benefits - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
US Pension
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	$ 2
Foreign Pension
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	10
Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer estimated contributions	32
US Postretirement
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	6
Employer estimated contributions	$ 3