Fair Value Measurements - Recurring (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2016	Apr. 29, 2017	Jan. 28, 2017	Apr. 30, 2016
Fair Value, Inputs, Level 3 [Member] | Auction Rate Securities [Member]
Assets
Proceeds from Sale of Other Assets	$ 2
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Assets
Cash and cash equivalents		$ 24	$ 290	$ 56
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member]
Assets
Cash and cash equivalents		260	0	93
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Time Deposits [Member]
Assets
Cash and cash equivalents		11	15	454
Short-term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member]
Assets
Short-term investments		150	349	110
Short-term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Time Deposits [Member]
Assets
Short-term investments		1,798	1,332	1,032
Short-term Investments [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Bond Securities [Member]
Assets
Short-term investments		0	0	78
Other Current Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Assets
Other current assets		2	7	0
Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member]
Assets
Other current assets		60	60	0
Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Time Deposits [Member]
Assets
Other current assets		101	100	79
Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange and Other Derivative Financial Instruments [Member]
Assets
Other current assets		7	2	0
Other Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Marketable securities that fund deferred compensation [Member]
Assets
Other assets		97	96	96
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Assets
Other assets		4	13	15
Other Assets [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Auction Rate Securities [Member]
Assets
Other assets		0	0	2
Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange and Other Derivative Financial Instruments [Member]
Liabilities
Accrued liabilities		0	3	13
Long-Term Liabilities Held-for-Sale [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member]
Liabilities
Long-term liabilities		$ 1	$ 0	$ 0