Derivative Instruments Effect of Foreign Currency Cash Flow Hedges on AOCI (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
		Jun. 29, 2019	Jun. 29, 2019
Foreign Currency Fair Value Hedge Derivative [Line Items]
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax		$ 36	$ (5)
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	[1]	$ 55	$ 112

[1] Primarily recorded in revenue