Pension and Postretirement Benefit Plans - Amounts Recognized in the Balance Sheet and Amounts Recognized in AOCI (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Amounts recognized in the balance sheet:
Noncurrent assets	$ 2	$ 2
Noncurrent liabilities	(565)	(521)
United States Pension Plan of US Entity [Member]
Amounts recognized in the balance sheet:
Current liabilities
Noncurrent liabilities	(228)	(199)
Net amount recognized	(228)	(199)
Amounts recognized in AOCI:
Net actuarial loss (gain)	560	513
AOCI before tax	560	513
Deferred taxes	(17)
Net	543	513
Foreign Pension Plan [Member]
Amounts recognized in the balance sheet:
Noncurrent assets	2	2
Current liabilities	(9)	(10)
Noncurrent liabilities	(251)	(240)
Net amount recognized	(258)	(248)
Amounts recognized in AOCI:
Net actuarial loss (gain)	92	83
AOCI before tax	92	83
Deferred taxes	(24)	(21)
Net	68	62
Foreign Postretirement Benefit Plan [Member]
Amounts recognized in the balance sheet:
Current liabilities	(5)	(4)
Noncurrent liabilities	(86)	(82)
Net amount recognized	(91)	(86)
Amounts recognized in AOCI:
Net actuarial loss (gain)	(10)	(15)
AOCI before tax	(10)	(15)
Deferred taxes	3	4
Net	$ (7)	$ (11)