0001281761 2022-01-20 2022-01-20 0001281761 us-gaap:CommonStockMember 2022-01-20 2022-01-20 0001281761 us-gaap:SeriesBPreferredStockMember 2022-01-20 2022-01-20 0001281761 us-gaap:SeriesCPreferredStockMember 2022-01-20 2022-01-20 0001281761 us-gaap:SeriesEPreferredStockMember 2022-01-20 2022-01-20 0001281761 false false 8-K 2022-01-20 REGIONS FINANCIAL CORPORATION DE 001-34034 63-0589368 1900 Fifth Avenue North Birmingham AL 35203 800 734-4667 false false false false Common Stock, $.01 par value RF NYSE 6.375% Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series B RF PRB NYSE 5.700% Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series C RF PRC NYSE 4.45% Non-Cumulative Perpetual Preferred Stock, Series E RF PRE NYSE false