Derivative Financial Instruments and Risk Management (Details 2) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value
Asset Fair Value	$ 55	$ 72
Liability Fair Value	(27)	(8)
Designated derivatives
Derivatives, Fair Value
Asset (Liability) Fair Value	10	29
Designated derivatives | Interest rate contracts | Other assets
Derivatives, Fair Value
Asset Fair Value	3	4
Designated derivatives | Interest rate contracts | Accrued expenses
Derivatives, Fair Value
Liability Fair Value	(1)	(1)
Designated derivatives | Cross currency contracts | Other assets
Derivatives, Fair Value
Asset Fair Value	24	29
Designated derivatives | Cross currency contracts | Accrued expenses
Derivatives, Fair Value
Liability Fair Value	(16)	3
Undesignated derivatives
Derivatives, Fair Value
Asset (Liability) Fair Value	18	35
Undesignated derivatives | Foreign exchange contracts | Other assets
Derivatives, Fair Value
Asset Fair Value	3	12
Undesignated derivatives | Foreign exchange contracts | Accrued expenses
Derivatives, Fair Value
Liability Fair Value	(10)	(4)
Undesignated derivatives | Cross currency contracts | Other assets
Derivatives, Fair Value
Asset Fair Value	$ 25	$ 27