v3.25.1
Repurchase Agreements and Reverse Repurchase Agreements (Tables)
 3 Months Ended
Mar. 31, 2025
Disclosure of Repurchase Agreements [Abstract]  
Schedule of Borrowings under Repurchase Agreements and Weighted Average Interest Rates The following table summarizes our borrowings under repurchase agreements by their remaining maturities as of March 31, 2025 and December 31, 2024 (dollars in millions):
 March 31, 2025December 31, 2024
Remaining MaturityRepurchase AgreementsWeighted
Average
Interest
Rate		Weighted
Average Days
to Maturity		Repurchase AgreementsWeighted
Average
Interest
Rate		Weighted
Average Days
to Maturity
Investment Securities Repo
≤ 1 month$52,438 4.47 %10 $55,580 4.77 %10 
> 1 to ≤ 3 months9,013 4.48 %43 3,782 4.68 %39 
> 3 to ≤ 6 months1,271 4.43 %112 — — %— 
> 9 to ≤ 12 months528 4.42 %298 — — %— 
Investment Securities Repo63,250 4.47 %19 59,362 4.76 %11 
U.S. Treasury Repo:
≤ 1 month2,888 4.46 %1 1,436 4.68 %2 
Total$66,138 4.47 %18 $60,798 4.76 %11