Earnings Per Share and Shareholders' Equity - Schedule of Repurchase of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Apr. 30, 2022	Mar. 31, 2022
Equity, Class of Treasury Stock [Line Items]
Amount Repurchased	$ 109
March 2022 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount Authorized		$ 250
Shares Repurchased (in shares)	2,162
Amount Repurchased	$ 109
Average Stock Price (in dollars per share)	$ 50.43