Goodwill	6 Months Ended
	Jun. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	GoodwillGoodwill was $458 million at both June 30, 2023 and December 31, 2022. Goodwill for these periods reflects accumulated impairment losses of $1,819 million, which were recognized in prior periods. During the second quarter of 2023, 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 been reduced below its carrying amount.