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Other financial assets measured at amortized cost (Detail) - USD ($) $ in Millions | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Disclosure Of Financial Assets [Line Item] |  |  |
Debt securities | $ 18,484 | $ 18,533 | $ 18,801
of which: government bills / bonds | 9,531 | 9,664 | 9,789
Loans to financial advisors | 2,415 | 2,473 | 2,569
Fee- and commission-related receivables | 1,982 | 2,073 | 2,014
Finance lease receivables | 1,363 | 1,344 | 1,447
Settlement and clearing accounts | 1,228 | 567 | 614
Accrued interest income | 532 | 521 | 591
Other | 1,139 | 1,260 | 1,158
Total other financial assets measured at amortized cost | $ 27,143 | $ 26,770 | $ 27,194

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