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v3.20.4

Accounting Policies (Details) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) office | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jun. 30, 2020 USD ($) | Jan. 01, 2020 USD ($) | Dec. 31, 2017 USD ($)
Number of international offices | office | 4 |  |  |  |  |  |  |  |
Stockholders' equity | $ 54,041 | $ 49,343 | [1] | $ 47,770 | [1] |  |  | $ 47,585 | [1]
Investment securities – held to maturity | 1,441 | 17,661 |  |  |  |  |  |  |
Held-to-maturity securities, fair value | 1,605 | 18,044 |  |  |  |  |  |  |
Other comprehensive income (loss), before tax and net of reclassifications into Net income | 2,548 | 1,966 |  | (739) |  |  |  |  |
Securities available for sale debt securities, amortized cost | 84,172 | 67,790 |  |  |  |  |  |  |
Investment securities – available for sale | $ 87,358 | 69,163 |  |  |  |  |  |  |
Total commercial lending | Charge off threshold - small business commercial loans of $100,000 Or Less |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 180 days |  |  |  |  |  |  |  |
Total commercial lending | Charge off threshold - smaller commercial leases of $1 Million or less |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 120 days |  |  |  |  |  |  |  |
Total commercial lending | Charge off threshold - small business credit card balances |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 180 days |  |  |  |  |  |  |  |
Total consumer lending | Charge off threshold - consumer loan |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 180 days |  |  |  |  |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Stockholders' equity |  | (671) | [2] | 62 | [3] |  |  | (16) | [4]
Investment securities – held to maturity |  | (16,200) |  |  |  | $ (49) |  |  |
Held-to-maturity securities, fair value |  | (16,500) |  |  |  | (48) |  |  |
Other comprehensive income (loss), before tax and net of reclassifications into Net income |  | 306 |  |  |  |  |  |  |
Securities available for sale debt securities, amortized cost |  | 16,200 |  |  |  | 49 | $ 16,200 |  |
Investment securities – available for sale |  | 16,500 |  |  |  | $ 48 | $ 16,500 |  |
Minimum |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 120 days |  |  |  |  |  |  |  |
Minimum | Total consumer lending | Consumer loans and lines of credit, not secured by automobiles or residential real estate |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 120 days |  |  |  |  |  |  |  |
Minimum | Furniture and Equipment |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 1 year |  |  |  |  |  |  |  |
Minimum | Software and Software Development Costs |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 1 year |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 180 days |  |  |  |  |  |  |  |
Maximum | Total consumer lending | Consumer loans and lines of credit, not secured by automobiles or residential real estate |  |  |  |  |  |  |  |  |
Threshold period of financing receivable past due, writeoff | 180 days |  |  |  |  |  |  |  |
Maximum | Furniture and Equipment |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 10 years |  |  |  |  |  |  |  |
Maximum | Buildings |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 40 years |  |  |  |  |  |  |  |
Maximum | Leasehold Improvements |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 15 years |  |  |  |  |  |  |  |
Maximum | Software and Software Development Costs |  |  |  |  |  |  |  |  |
Estimated useful life of property and equipment | 10 years |  |  |  |  |  |  |  |
Retained Earnings |  |  |  |  |  |  |  |  |
Stockholders' equity | $ 46,848 | 42,215 | [1] | 38,919 | [1] |  |  | 35,481 | [1]
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |
Stockholders' equity |  | $ (671) |  | $ 62 | [3] |  |  | $ (22) | [4]
[1] | The par value of our preferred stock outstanding was less than $0.5 million at each date and, therefore, is excluded from this presentation.
[2] | Represents the impact of the adoption ASU 2016-13 - Financial Instruments - Credit Losses. See the Recently Adopted Accounting Standards portion of Note 1 Accounting Policies in this Report for additional detail on this adoption.
[3] | Represents the impact of the adoption of ASU 2016-02 related primarily to deferred gains on previous sale-leaseback transactions.
[4] | Represents the cumulative effect of adopting ASU 2014-09, ASU 2016-01, ASU 2017-12 and ASU 2018-02.

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