Restructuring and Other Charges - Fiscal 2017 Plan (Details) - Fiscal 2017 Plan	Oct. 10, 2016 USD ($) employee
Minimum
Restructuring Cost and Reserve [Line Items]
Expected aggregate pre-tax charges | $	$ 350,000,000
Expected positions to be eliminated | employee	3,000
Maximum
Restructuring Cost and Reserve [Line Items]
Expected aggregate pre-tax charges | $	$ 500,000,000
Expected positions to be eliminated | employee	4,000