XML 22 R12.htm IDEA: XBRL DOCUMENT
v3.21.2

Reclassifications Out of Accumulated Other Comprehensive Loss | 6 Months Ended
--- | ---
Jun. 30, 2021
Reclassifications Of Accumulated Other Comprehensive Loss [Abstract] |
Reclassifications Out of Accumulated Other Comprehensive Loss | Note 3: Reclassifications out of Accumulated Other Comprehensive Loss
(dollars in millions) |  | For the Six Months Ended June 30, 2021
Details about Accumulated Other Comprehensive Loss |  | Amount Reclassified out of Accumulated Other Comprehensive Loss (1) |  |  | Affected Line Item in the Consolidated Statements of Income and Comprehensive Income
Unrealized gains (losses) on available-for-sale securities: |  | $ | — |  |  | Net gain (losses) on securities
|  |  | — |  |  | Income tax expense
|  | $ | — |  |  | Net gain (losses) on securities, net of tax
Unrealized loss on cash flow hedges: |  | $ | (11 | ) |  | Interest expense
|  |  | 3 |  |  | Income tax benefit
|  | $ | (8 | ) |  | Net loss on cash flow hedges, net of tax
Amortization of defined benefit pension plan items: |  |  |  |  |
Past service liability |  | $ | — |  |  | Included in the computation of net periodic credit(2)
Actuarial losses |  |  | (4 | ) |  | Included in the computation of net periodic cost (2)
|  |  | (4 | ) |  | Total before tax
|  |  | 1 |  |  | Income tax benefit
|  | $ | (3 | ) |  | Amortization of defined benefit pension plan items, net of tax
Total reclassifications for the period |  | $ | (11 | ) |  |
(1) Amounts in parentheses indicate expense items. (2) See Note 8, “Pension and Other Post-Retirement Benefits,” for additional information.

X
- Definition Accumulated Other Comprehensive Income [Text Block] + References No definition available. + Details
Name: | nycb_AccumulatedOtherComprehensiveIncomeTextBlock
Namespace Prefix: | nycb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reclassifications of accumulated other comprehensive loss. + References No definition available. + Details
Name: | nycb_ReclassificationsOfAccumulatedOtherComprehensiveLossAbstract
Namespace Prefix: | nycb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration