Goodwill	3 Months Ended
	Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	GoodwillGoodwill was $458 million at both March 31, 2022 and December 31, 2021. Goodwill for these periods reflects accumulated impairment losses of $1,819 million, which were recognized in prior periods. During the first quarter of 2022, there were no events or changes in circumstances to indicate that it is more likely than not the fair value of our Commercial Banking reporting unit has reduced below its carrying amount.