XML 66 R53.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value Measurements (Fair Value, Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 29, 2017
Apr. 30, 2016
Jan. 28, 2017
Available-for-sale Securities, Gross Realized Gains $ 0 $ 4  
Assets:      
Cash and Cash Equivalents 1,555 1,267 $ 1,934
Available-for-sale Securities 5 11 5
Foreign Currency Cash Flow Hedge Asset at Fair Value 27 11 18
Interest Rate Fair Value Hedges 2 10 2
Proceeds from Sale of Available-for-sale Securities, Equity   10  
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value 1 0 1
Marketable Securities, Realized Gain (Loss) 0 (3)  
Fair Value, Inputs, Level 1 [Member]      
Assets:      
Cash and Cash Equivalents 1,555 1,267 1,934
Available-for-sale Securities 5 11 5
Foreign Currency Cash Flow Hedge Asset at Fair Value 0 0 0
Interest Rate Fair Value Hedges 0 0 0
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value 0   0
Fair Value, Inputs, Level 2 [Member]      
Assets:      
Cash and Cash Equivalents 0 0 0
Available-for-sale Securities 0 0 0
Foreign Currency Cash Flow Hedge Asset at Fair Value 27 11 18
Interest Rate Fair Value Hedges 2 10 2
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value 1   1
Fair Value, Inputs, Level 3 [Member]      
Assets:      
Cash and Cash Equivalents 0 0 0
Available-for-sale Securities 0 0 0
Foreign Currency Cash Flow Hedge Asset at Fair Value 0 0 0
Interest Rate Fair Value Hedges 0 $ 0 0
Liabilities:      
Foreign Currency Cash Flow Hedge Liability at Fair Value $ 0   $ 0