Employee Benefit Plans - Schedule of Pre-tax Amounts to be Amortized that are Included in Accumulated Other Comprehensive Loss (Details) $ in Millions	Dec. 30, 2016 USD ($)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Losses	$ 891
Prior Service Costs (Credits)	0
Total	891
Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Losses	24
Prior Service Costs (Credits)	0
Total	$ 24