Earnings Per Share, Share Repurchases and Dividends - Narrative (Details) - $ / shares shares in Millions		3 Months Ended												12 Months Ended
	Mar. 27, 2019	Feb. 01, 2019	Nov. 02, 2018	Aug. 03, 2018	May 04, 2018	Feb. 02, 2018	Nov. 03, 2017	Aug. 04, 2017	May 05, 2017	Feb. 03, 2017	Nov. 04, 2016	Aug. 05, 2016	May 06, 2016	Feb. 01, 2019	Feb. 02, 2018	Feb. 03, 2017	Mar. 28, 2019	Dec. 15, 2016
Computation Of Earnings Per Share [Line Items]
Cash dividends paid per share (in dollars per share)														$ 1.24	$ 1.24	$ 1.24
Cash dividends declared per share (in dollars per share)														$ 1.24	$ 1.24	$ 1.24
Subsequent Event
Computation Of Earnings Per Share [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.37
Quarterly Dividend
Computation Of Earnings Per Share [Line Items]
Cash dividends paid per share (in dollars per share)		$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31
Cash dividends declared per share (in dollars per share)		$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31	$ 0.31
Share Repurchase Plan
Computation Of Earnings Per Share [Line Items]
Increase in number of shares authorized to be repurchased under the repurchase plan (in shares)																		3.3
Shares repurchased under the repurchase plan (in shares)														9.6
Share Repurchase Plan | Subsequent Event
Computation Of Earnings Per Share [Line Items]
Increase in number of shares authorized to be repurchased under the repurchase plan (in shares)																	4.6
Share Repurchase Plan | Maximum
Computation Of Earnings Per Share [Line Items]
Shares authorized to be repurchased under the repurchase plan (in shares)		11.8												11.8
Share Repurchase Plan | Maximum | Subsequent Event
Computation Of Earnings Per Share [Line Items]
Shares authorized to be repurchased under the repurchase plan (in shares)																	16.4