Share-based Compensation - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2025	Nov. 30, 2024
Restricted Stock Units (“RSUs”)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		446,993
Shares granted, fair value		$ 9
Minimum vesting period for retirement eligibility for expense to be recognized		2 years
Restricted Stock Units (“RSUs”) \| Five-year Term and Vest One-Fifth per Year commencing November 30, 2025 and each October 31 Thereafter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		334,042
Vesting term		5 years
Restricted Stock Units (“RSUs”) \| Three-year Term and Vest One-third per Year commencing November 30, 2025 and Each October 31 Thereafter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		112,951
Vesting term		3 years
Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		340,454
Share-based compensation arrangement by share-based payment award, award requisite performance period		3 years
Performance Shares (PSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based awards award payouts threshold		200.00%
Performance Shares (PSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based awards award payouts threshold		50.00%
Total Shareholder Return (TSR)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award requisite performance period		3 years
Shares granted, fair value		$ 3
Volume Growth
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award requisite performance period		3 years
Shares granted, fair value		$ 3
Deferred stock units ("DSUs") \| Non-employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	57,642
Shares granted, fair value	$ 1
Deferred stock units ("DSUs") \| Non-employee Directors \| Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares per stock unit	1

RADIUS RECYCLING, INC. 10-Q