Consolidated Statements of Condition (Parenthetical) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Securities available for sale	$ 5,664	$ 5,780
Preferred stock, par	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, Series A shares issued	515,000	515,000
Preferred stock, Series A shares outstanding	515,000	515,000
Common stock, par	$ 0.01	$ 0.01
Common stock, shares authorized	900,000,000	900,000,000
Common stock, shares issued	490,439,070	490,439,070
Common stock, shares outstanding	466,243,078	465,015,643
Treasury stock, shares	24,195,992	25,423,427
Net unrealized loss on securities available for sale, tax	$ 167	$ 17
Net unrealized loss on pension and post-retirement obligations, tax	12	12
Cash flow hedges tax component	(6)	3
Asset Pledged as Collateral
Securities available for sale	$ 1,101	$ 1,168