Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Stockholders Equity Note [Line Items]
Number of shares sold (in shares)	0	4,600,000	5,200,000	4,600,000
Number of shares repurchased (in shares)	0	4,600,000	5,200,000	4,600,000
Net proceeds from Stock Swap Program		$ 10	$ 8	$ 10
Shares issued (in shares)	0		1,600,000
Average price of common stock sold (in dollars per share)			$ 19.27
Consideration received			$ 30
Public Offering
Stockholders Equity Note [Line Items]
Shares issued (in shares)	117,500,000
Consideration received	$ 1,200
Shares issued price (in dollars per share)	$ 9.95		$ 9.95