Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2025	Dec. 31, 2024
Held-to-maturity, fair value		$ 67,099	$ 66,275
Available-for-sale securities	[1]	86,774	85,992
Loans held-for-sale, mortgage loans carried at fair value		1,704	2,251
Time deposits carried at fair value		$ 6,506	$ 5,754
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, authorized (in shares)		4,000,000,000	4,000,000,000
Common stock, issued (in shares)		2,125,725,742	2,125,725,742
Common stock in treasury (in shares)		565,431,349	565,929,654
Asset Pledged as Collateral with Right
Held-to-maturity, fair value		$ 116
Available-for-sale securities		427	$ 320
Trading securities at fair value		$ 9,041	$ 7,501

[1] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.