Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions		1 Months Ended						3 Months Ended				6 Months Ended		12 Months Ended
	Aug. 17, 2022	May 31, 2022	Mar. 31, 2022	Nov. 30, 2021	Aug. 31, 2021	May 31, 2021	Mar. 31, 2021	Jul. 30, 2022	Apr. 30, 2022	Jul. 31, 2021	May 01, 2021	Jul. 30, 2022	Jul. 31, 2021	Jan. 29, 2022
Summary of Significant Accounting Policies [Line Items]
Cash dividends declared per share (in dollars per share)		$ 0.310	$ 0.310	$ 0.285	$ 0.285	$ 0.285	$ 0.285	$ 0.310	$ 0.310	$ 0.285	$ 0.285
Stock repurchased program period			2 years
Stock repurchase program, amount authorized			$ 1,900,000,000			$ 1,500,000,000
Stock repurchased, amount												$ 475,000,000	$ 175,800,000	$ 650,000,000
Stock repurchased during period, shares (in shares)												5.5	1.4
Subsequent Event
Summary of Significant Accounting Policies [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.310
Property, Plant and Equipment
Summary of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid												$ 24,400,000	$ 11,700,000