Retirement Benefits	3 Months Ended
	Apr. 30, 2022
Retirement Benefits [Abstract]
Retirement Benefits	Retirement BenefitsThe Company sponsors a tax-qualified defined contribution retirement plan for employees who meet certain age and service requirements. The qualified plan permits participating associates to elect contributions up to the maximum limits allowable under the Internal Revenue Code. The Company matches associate contributions according to a predetermined formula and contributes additional amounts based on a percentage of the associates' eligible annual compensation and years of service. Associate contributions and Company matching contributions vest immediately. Additional Company contributions and the related investment earnings are subject to vesting based on years of service. Total expense recognized related to the qualified plan was $12 million and $10 million for the first quarter of 2022 and 2021, respectively.The Former Parent previously sponsored a non-qualified supplemental retirement plan. The non-qualified plan was an unfunded plan which provided benefits beyond the Internal Revenue Code limits for qualified defined contribution plans. On June 27, 2020, the Human Capital and Compensation Committee of the Former Parent's Board of Directors authorized the termination of the non-qualified plan. All benefits and obligations due under the non-qualified plan were fully paid during the second quarter of 2021. Total expense recognized related to the non-qualified plan was not significant for any period presented.