Equity - Common Stock Repurchase (Details) - USD ($) shares in Millions, $ in Millions	2 Months Ended	12 Months Ended
	Oct. 27, 2015	Sep. 03, 2015
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method		$ 831
Repurchases Authorized by the BOD [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired		42
Treasury Stock, Value, Acquired, Cost Method		$ 831
Subsequent Event [Member] | Repurchases Authorized by the BOD [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount	$ 1,250
Stock Repurchase Program, Additional Authorized Amount	$ 250