Consolidated Statements of Shareholders' Investment - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Apr. 29, 2017	Apr. 30, 2016	Jan. 28, 2017
Increase (Decrease) in Shareholders' Investment
Beginning balance (in shares)	556,156,228
Beginning balance	$ 10,953	$ 12,957	$ 12,957
Net earnings	681	632	2,737
Other comprehensive loss	12	$ 12	(9)
Dividends declared	(333)		(1,359)
Repurchase of stock	(305)		(3,686)
Stock options and awards	$ 13		$ 313
Ending balance (in shares)	551,657,501	593,583,619	556,156,228
Ending balance	$ 11,021	$ 12,545	$ 10,953
Common Stock
Increase (Decrease) in Shareholders' Investment
Beginning balance (in shares)	556,200,000	602,200,000	602,200,000
Beginning balance	$ 46	$ 50	$ 50
Repurchase of stock (in shares)	(4,900,000)		(50,900,000)
Repurchase of stock	$ 0		$ (4)
Stock options and awards (in shares)	400,000		4,900,000
Stock options and awards	$ 0		$ 0
Ending balance (in shares)	551,700,000		556,200,000
Ending balance	$ 46		$ 46
Additional Paid-in Capital
Increase (Decrease) in Shareholders' Investment
Beginning balance	5,661	5,348	5,348
Stock options and awards	13		313
Ending balance	5,674		5,661
Retained Earnings
Increase (Decrease) in Shareholders' Investment
Beginning balance	5,884	8,188	8,188
Net earnings	681		2,737
Dividends declared	(333)		(1,359)
Repurchase of stock	(305)		(3,682)
Ending balance	5,927		5,884
Accumulated Other Comprehensive(Loss)/Income
Increase (Decrease) in Shareholders' Investment
Beginning balance	(638)	$ (629)	(629)
Other comprehensive loss	12		(9)
Ending balance	$ (626)		$ (638)