PARENT COMPANY FINANCIALS - Condensed Balance Sheets (Details) - USD ($) $ in Millions		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
ASSETS:
Cash and due from banks		$ 1,464	$ 1,409
Other assets	[1],[2]	14,428	14,349
TOTAL ASSETS		226,351	217,521
LIABILITIES:
Long-term borrowed funds	[2]	11,224	12,401
Other liabilities	[1],[2]	5,439	6,090
TOTAL LIABILITIES		200,034	193,267
Total stockholders’ equity		26,317	24,254	$ 24,342	$ 23,690
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY		226,351	217,521
Parent company
ASSETS:
Cash and due from banks		2,318	2,658
Other assets		420	237
TOTAL ASSETS		33,474	31,094
LIABILITIES:
Long-term borrowed funds		6,768
Other liabilities		390	360
TOTAL LIABILITIES		7,158	6,840
Total stockholders’ equity		26,316	24,254
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY		33,474	31,094
Bank subsidiaries | Parent company
ASSETS:
Loans and advances		3,335	3,326
Investments in subsidiaries		26,838	24,389
Nonbank subsidiaries | Parent company
ASSETS:
Loans and advances		180	150
Investments in subsidiaries		383	334
Unaffiliated companies | Parent company
LIABILITIES:
Long-term borrowed funds		$ 6,768	$ 6,480

[1] See Note 1 for information regarding updates to the Consolidated Balance Sheets during 2025.

[2] Includes amounts in consolidated VIEs. See Note 9 for additional information.