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SECURITIES BORROWED, LOANED AND SUBJECT TO REPURCHASE AGREEMENTS - Repurchase Agreements by Class of Collateral (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | $ 729,792 | $ 563,539
Securities lending agreements | 52,336 | 34,315
Total | 782,128 | 597,854
U.S. Treasury and federal agency securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 356,299 | 324,233
Securities lending agreements | 0 | 40
Total | 356,299 | 324,273
State and municipal securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 171 | 183
Securities lending agreements | 26 | 0
Total | 197 | 183
Foreign government securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 204,406 | 132,123
Securities lending agreements | 319 | 1,069
Total | 204,725 | 133,192
Corporate bonds |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 24,963 | 17,467
Securities lending agreements | 652 | 330
Total | 25,615 | 17,797
Equity securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 28,664 | 18,498
Securities lending agreements | 51,137 | 32,837
Total | 79,801 | 51,335
Mortgage-backed securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 108,490 | 65,279
Securities lending agreements | 0 | 0
Total | 108,490 | 65,279
Asset-backed securities |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 5,470 | 2,609
Securities lending agreements | 0 | 23
Total | 5,470 | 2,632
Other |  |
Assets Sold under Agreements to Repurchase |  |
Repurchase agreements | 1,329 | 3,147
Securities lending agreements | 202 | 16
Total | $ 1,531 | $ 3,163

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- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial asset at a date certain for a specified price. Includes repurchase-to-maturity transactions and liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481395/860-30-55-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a)(1) -SubTopic 30 -Topic 860 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 + Details
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- Definition Amount, before effects of master netting arrangements, of financial assets loaned to entities in exchange for collateral and funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial assets at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481395/860-30-55-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-7 + Details
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