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Accumulated Other Comprehensive Income
9 Months Ended
Sep. 30, 2023
Equity [Abstract]  
Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income
AOCI represents cumulative gains and losses that are not reflected in earnings. AOCI balances and the components of other comprehensive income (loss) are as follows:
Total AOCI
Balance at June 30, 2022$(16,022)
Available for sale securities:
Net unrealized gain (loss), net of tax expense (benefit) of $(2,286)
(7,207)
Other reclassifications included in other revenue, net of tax expense (benefit) of $4
12 
Held to maturity securities:
Amortization of amounts previously recorded upon transfer from available for sale, net of tax expense (benefit) of $18
65 
Balance at September 30, 2022$(23,152)
Balance at June 30, 2023$(20,730)
Available for sale securities:
Net unrealized gain (loss), net of tax expense (benefit) of $(182)
(538)
Other reclassifications included in other revenue, net of tax expense (benefit) of $6
18 
Held to maturity securities:
Amortization of amounts previously recorded upon transfer from available for sale, net of tax expense (benefit) of $147
498 
Balance at September 30, 2023$(20,752)

Total AOCI
Balance at December 31, 2021$(1,109)
Available for sale securities:
Net unrealized gain (loss), excluding transfers to held to maturity, net of tax expense (benefit) of $(7,027)
(22,272)
Net unrealized loss on securities transferred to held to maturity, net of tax benefit of $579
1,850 
Other reclassifications included in other revenue (1)
(1)
Held to maturity securities:
Net unrealized loss on securities transferred from available for sale, net of tax benefit of $579
(1,850)
Amortization of amounts previously recorded upon transfer from available for sale, net of tax expense (benefit) of $67
230 
Balance at September 30, 2022$(23,152)
Balance at December 31, 2022$(22,621)
Available for sale securities:
Net unrealized gain (loss), net of tax expense (benefit) of $79
367 
Other reclassifications included in other revenue, net of tax expense (benefit) of $11
33 
Held to maturity securities:
Amortization of amounts previously recorded upon transfer from available for sale, net of tax expense (benefit) of $420
1,476 
Other, net of tax expense (benefit) of $(2)
(7)
Balance at September 30, 2023$(20,752)
(1) Tax expense (benefit) was less than $1 million.
In 2022, the Company transferred a portion of its AFS securities to the HTM category. As of September 30, 2023, the total remaining unamortized loss on these securities transferred to HTM included in AOCI was $11.8 billion net of tax effect ($15.6 billion pre-tax). See Note 4 for additional discussion on the 2022 transfers of AFS securities to HTM.