Business Combination - Fair Value of Assets Acquired and Liabilities Assumed (Details) - Boston Private $ in Millions	Jul. 01, 2021 USD ($)
Assets acquired:
Cash and cash equivalents	$ 1,290
Investment securities	1,429
Loans	7,217
Premises and equipment	39
Intangible assets	104
Right-of-use assets	107
Other assets	284
Total assets acquired	10,470
Liabilities assumed:
Deposits	8,983
Borrowings	132
Lease liabilities	103
Other liabilities	219
Total liabilities assumed	9,437
Fair value of net assets acquired	$ 1,033

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Right-Of-Use Assets

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Amount of assets acquired at the acquisition date.

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Amount of lease obligation assumed in business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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