Derivative Instruments and Fair Value Measurements Assets Measured at Fair Value (Details) - Property, Plant and Equipment - Manufacturing Facility [Member] - Fair Value, Measurements, Nonrecurring [Member] $ in Millions	Dec. 31, 2016 USD ($)
U.S. Snacks | Long-lived assets value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 26
U.S. Snacks | Estimate fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	10
Europe | Long-lived assets value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	57
Europe | Estimate fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 23