Derivative Instruments and Fair Value Measurements Assets Measured at Fair Value (Details) - Property, Plant and Equipment - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Millions	Dec. 31, 2016	Oct. 01, 2016	Jan. 02, 2016
Long-lived assets value | Venezuela | Project K
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			$ 51
Estimate fair value | Venezuela | Project K
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			2
U.S. Snacks | Manufacturing Facility [Member] | 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 | Manufacturing Facility [Member] | Estimate fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure		$ 10
Europe | Manufacturing Facility [Member] | Long-lived assets value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 57
Europe | Manufacturing Facility [Member] | Estimate fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 23
North America Other | Manufacturing Facility [Member] | Long-lived assets value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			31
North America Other | Manufacturing Facility [Member] | Estimate fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			$ 13