Bank of America Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Principles (Policies)
Notes Tables
Notes Details

Securities - Narrative (Details)

v3.23.3

Securities - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Other assets
Investments, Debt And Equity Securities [Line Items]
Equity securities, fair value	$ 270	$ 581
Equity securities, cost	373	340
Time Deposits Placed and Other Short-term Investments
Investments, Debt And Equity Securities [Line Items]
Time deposits placed and other short-term investments	1,100	868
AFS securities
Investments, Debt And Equity Securities [Line Items]
Accumulated net unrealized loss on AFS debt securities	3,400
Accumulated other comprehensive income benefit	1,100
U.S. Agency And U.S. Treasury Securities
Investments, Debt And Equity Securities [Line Items]
AFS and HTM debt securities	738,200	826,500
All Non U.S. Agency And Non U.S. Treasury Securities
Investments, Debt And Equity Securities [Line Items]
AFS and HTM debt securities	$ 35,300	$ 31,800

- Definition

Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Benefit (Expense), Tax

+ References

No definition available.

+ Details

Name:	bac_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBenefitExpenseTax
Namespace Prefix:	bac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Securities, Available-For-Sale And Held-To-Maturity, Excluding Accrued Interest

+ References

No definition available.

+ Details

Name:	bac_DebtSecuritiesAvailableForSaleAndHeldToMaturityExcludingAccruedInterest
Namespace Prefix:	bac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Investments, Debt And Equity Securities

+ References

No definition available.

+ Details

Name:	bac_InvestmentsDebtAndEquitySecuritiesLineItems
Namespace Prefix:	bac_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Time Deposits Placed And Other Short-Term Investments, Fair Value Disclosure

+ References

No definition available.

+ Details

Name:	bac_TimeDepositsPlacedAndOtherShortTermInvestmentsFairValueDisclosure
Namespace Prefix:	bac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after tax, of accumulated unrealized gain (loss) on 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/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-14

+ Details

Name:	us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483467/210-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

+ Details

Name:	us-gaap_EquitySecuritiesFvNi
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

Name:	us-gaap_EquitySecuritiesFvNiCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=bac_TimeDepositsPlacedAndOtherShortTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=bac_U.S.AgencyAndU.S.TreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=bac_AllNonU.S.AgencyAndNonU.S.TreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: