Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Subsidiary, Sale of Stock [Line Items]
Number of shares repurchased (in shares)	0.0	0.0	2.3	5.2
Number of shares sold (in shares)	0.0	0.0	2.3	5.2
Net proceeds from Stock Swap Program			$ 2	$ 8
Shares issued (in shares)	0.0	0.0	0.5	1.6
Average price of common stock sold (in dollars per share)			$ 9.83	$ 19.27
Consideration received			$ 5	$ 30
Public Offering
Subsidiary, Sale of Stock [Line Items]
Shares issued (in shares)		117.5
Consideration received		$ 1,200
Shares issued price (in dollars per share)		$ 9.95		$ 9.95