Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings - Narrative (Details) - Subsidiaries - Bank of America, N.A. - USD ($) $ in Billions |
12 Months Ended | |
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Dec. 31, 2017 |
Dec. 31, 2016 |
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| Federal Funds Sold or Purchased, Securities Financing Agreements and Short-Term Borrowings [Line Items] | ||
| Minimum maturity period | 7 days | |
| Debt Instrument, Registration Statement, Short-Term Debt Outstanding Under Program | $ 14.2 | $ 9.3 |
| Bank Notes | ||
| Federal Funds Sold or Purchased, Securities Financing Agreements and Short-Term Borrowings [Line Items] | ||
| Debt authorized | $ 75.0 |
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- Definition This represents the maximum dollar amount of bank notes with fixed or floating rates outstanding at any one time. No definition available.
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- Definition Debt Instrument, Registration Statement, Minimum Maturity Period No definition available.
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- Definition Debt Instrument, Registration Statement, Short-Term Debt Outstanding Under Program No definition available.
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- Definition [Line Items] for Federal Funds Sold or Purchased, Securities Financing Agreements and Short-Term Borrowings [Table] No definition available.
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