Repurchase of Common Stock (Schedule of share repurchases) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Equity [Abstract]
Total cost of shares repurchased	$ 371	$ 369	$ 707	$ 1,143
Average price per share	$ 67.28	$ 76.04	$ 68.56	$ 74.10
Number of shares repurchased	5.5	4.8	10.3	15.4

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Period Type:	duration