Deposits - Time Deposit Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Time Deposit Maturities
2026	$ 44,380
2027	23,390
2028	13,670
2029	9,570
2030	8,260
Thereafter	370
Total	99,640	$ 76,109
Non-U.S.
Uninsured Non-U.S. Time Deposit Maturities
Less than 3 months	2,187
3 - 6 months	860
6 - 12 months	747
Over 12 months	76
Total	$ 3,870

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Amount of uninsured time deposit liability. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

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Amount of uninsured time deposit liability with time remaining to mature over six through twelve months. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 229
-Section 1406
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Amount of uninsured time deposit liability with time remaining to mature over three through six months. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 229
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Amount of uninsured time deposit liability with time remaining to mature over 12 months. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of uninsured time deposit liability with time remaining to mature in three months or less. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher SEC

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Amount of time deposit maturing after fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit liabilities, including certificates of deposit.

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