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Shareholders' Equity - Accelerated Share Repurchases (Details) - 2021 Repurchase Program - Morgan Stanley & Co. LLC - USD ($) shares in Millions, $ in Billions | Jan. 04, 2024 | Mar. 31, 2024
--- | --- | ---
Equity, Class of Treasury Stock [Line Items] |  |
ASR agreement, amount | $ 3.0 | $ 3.0
Payments for ASR, amount | $ 3.0 |
ASR percent of notional amount received in shares | 85.00% |
Shares repurchased under ASR agreement (in shares) | 31.4 | 8.3
Transfer of shares to treasury stock value | $ 2.6 |
ASR, shares to be received at the end of program as a percent of notional amount |  | 15.00%
Forward contract |  |
Equity, Class of Treasury Stock [Line Items] |  |
Forward contract, notional amount | $ 0.4 |

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