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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt securities held to maturity, estimated fair value | $ 817 | $ 950
Debt Securities, Available-for-sale, Amortized Cost | 31,263 | 28,263
Loans held for sale, at fair value | $ 369 | $ 783
Preferred Stock, Shares Authorized | 10,000,000 | 10,000,000
Preferred Stock, Par Value Per Share (in dollars per share) | $ 1.00 | $ 1.00
Common Stock, Shares Authorized | 3,000,000,000 | 3,000,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.01 | $ 0.01
Common Stock, Shares, Issued | 975,373,716 | 982,940,601
Treasury Stock, Shares | 41,032,676 | 41,032,676
Noncumulative Preferred Stock [Member] |  |
Preferred Stock, Shares Issued | 1,403,500 | 1,403,500

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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